Changes for page LT-22222-L -- LoRa I/O Controller User Manual

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1		-XWiki.Xiaoling
	1	+XWiki.pradeeka

Content

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3	3
4	4
5	5
	6	+
	7	+
	8	+
	9	+
6	6	**Table of Contents:**
7	7
8	8	{{toc/}}
...	...	@@ -13,38 +13,32 @@
13	13
14	14
15	15
16		-= 1.Introduction =
	20	+= 1. Introduction =
17	17
18		-== 1.1 What is LT Series I/O Controller ==
	22	+== 1.1 What is the LT-22222-L I/O Controller? ==
19	19
20	20	(((
21		-
22		-
23	23	(((
24		-The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
25		-)))
26		-)))
	26	+The Dragino (% style="color:blue" %)**LT-22222-L I/O Controller**(%%) is an advanced LoRaWAN device designed to provide seamless wireless long-range connectivity with various I/O options, including analog current and voltage inputs, digital inputs and outputs, and relay outputs.
27	27
28		-(((
29		-The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
	28	+The LT-22222-L I/O Controller simplifies and enhances I/O monitoring and controlling. It is ideal for professional applications in wireless sensor networks, including irrigation systems, smart metering, smart cities, building automation, and more. These controllers are designed for easy, cost-effective deployment using LoRa wireless technology.
30	30	)))
31		-
32		-(((
33		-The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
34	34	)))
35	35
36	36	(((
37		-The use environment includes:
	33	+With the LT-22222-L I/O Controller, users can transmit data over ultra-long distances with low power consumption using LoRa, a spread-spectrum modulation technique derived from chirp spread spectrum (CSS) technology that operates on license-free ISM bands.
38	38	)))
39	39
40		-(((
41		-1) If user's area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
42		-)))
	36	+> The LT Series I/O Controllers are designed for easy, low-cost installation on LoRaWAN networks.
43	43
44	44	(((
45		-2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
	39	+You can connect the LT-22222-L I/O Controller to a LoRaWAN network service provider in several ways:
46	46
47		-
	41	+* If there is public LoRaWAN network coverage in the area where you plan to install the device (e.g., The Things Network), you can select a network and register the LT-22222-L I/O controller with it.
	42	+* If there is no public LoRaWAN coverage in your area, you can set up a LoRaWAN gateway, or multiple gateways, and connect them to a LoRaWAN network server to create adequate coverage. Then, register the LT-22222-L I/O controller with this network.
	43	+* Setup your own private LoRaWAN network.
	44	+
	45	+> You can use a LoRaWAN gateway, such as the Dragino LG308, to expand or create LoRaWAN coverage in your area.
48	48	)))
49	49
50	50	(((
...	...	@@ -55,153 +55,62 @@
55	55
56	56	== 1.2 Specifications ==
57	57
58		-(((
59		-
60		-
61	61	(% style="color:#037691" %)**Hardware System:**
62		-)))
63	63
64		-* (((
65		-STM32L072xxxx MCU
66		-)))
67		-* (((
68		-SX1276/78 Wireless Chip
69		-)))
70		-* (((
71		-(((
72		-Power Consumption:
73		-)))
	58	+* STM32L072xxxx MCU
	59	+* SX1276/78 Wireless Chip
	60	+* Power Consumption:
	61	+** Idle: 4mA@12v
	62	+** 20dB Transmit: 34mA@12v
	63	+* Operating Temperature: -40 ~~ 85 Degrees, No Dew
74	74
75		-* (((
76		-Idle: 4mA@12v
77		-)))
78		-* (((
79		-20dB Transmit: 34mA@12v
80		-)))
81		-)))
82		-
83		-(((
84		-
85		-
86	86	(% style="color:#037691" %)**Interface for Model: LT22222-L:**
87		-)))
88	88
89		-* (((
90		-2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
91		-)))
92		-* (((
93		-2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
94		-)))
95		-* (((
96		-2 x Relay Output (5A@250VAC / 30VDC)
97		-)))
98		-* (((
99		-2 x 0~~20mA Analog Input (res:0.01mA)
100		-)))
101		-* (((
102		-2 x 0~~30V Analog Input (res:0.01v)
103		-)))
104		-* (((
105		-Power Input 7~~ 24V DC.
106		-)))
	67	+* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
	68	+* 2 x Digital Output (NPN output. Max pull-up voltage 36V,450mA)
	69	+* 2 x Relay Output (5A@250VAC / 30VDC)
	70	+* 2 x 0~~20mA Analog Input (res:0.01mA)
	71	+* 2 x 0~~30V Analog Input (res:0.01v)
	72	+* Power Input 7~~ 24V DC.
107	107
108		-(((
109		-
110		-
111	111	(% style="color:#037691" %)**LoRa Spec:**
112		-)))
113	113
114		-* (((
115		-(((
116		-Frequency Range:
117		-)))
	76	+* Frequency Range:
	77	+** Band 1 (HF): 862 ~~ 1020 Mhz
	78	+** Band 2 (LF): 410 ~~ 528 Mhz
	79	+* 168 dB maximum link budget.
	80	+* +20 dBm - 100 mW constant RF output vs.
	81	+* +14 dBm high-efficiency PA.
	82	+* Programmable bit rate up to 300 kbps.
	83	+* High sensitivity: down to -148 dBm.
	84	+* Bullet-proof front end: IIP3 = -12.5 dBm.
	85	+* Excellent blocking immunity.
	86	+* Low RX current of 10.3 mA, 200 nA register retention.
	87	+* Fully integrated synthesizer with a resolution of 61 Hz.
	88	+* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
	89	+* Built-in bit synchronizer for clock recovery.
	90	+* Preamble detection.
	91	+* 127 dB Dynamic Range RSSI.
	92	+* Automatic RF Sense and CAD with ultra-fast AFC.
	93	+* Packet engine up to 256 bytes with CRC.
118	118
119		-* (((
120		-Band 1 (HF): 862 ~~ 1020 Mhz
121		-)))
122		-* (((
123		-Band 2 (LF): 410 ~~ 528 Mhz
124		-)))
125		-)))
126		-* (((
127		-168 dB maximum link budget.
128		-)))
129		-* (((
130		-+20 dBm - 100 mW constant RF output vs.
131		-)))
132		-* (((
133		-+14 dBm high efficiency PA.
134		-)))
135		-* (((
136		-Programmable bit rate up to 300 kbps.
137		-)))
138		-* (((
139		-High sensitivity: down to -148 dBm.
140		-)))
141		-* (((
142		-Bullet-proof front end: IIP3 = -12.5 dBm.
143		-)))
144		-* (((
145		-Excellent blocking immunity.
146		-)))
147		-* (((
148		-Low RX current of 10.3 mA, 200 nA register retention.
149		-)))
150		-* (((
151		-Fully integrated synthesizer with a resolution of 61 Hz.
152		-)))
153		-* (((
154		-FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
155		-)))
156		-* (((
157		-Built-in bit synchronizer for clock recovery.
158		-)))
159		-* (((
160		-Preamble detection.
161		-)))
162		-* (((
163		-127 dB Dynamic Range RSSI.
164		-)))
165		-* (((
166		-Automatic RF Sense and CAD with ultra-fast AFC.
167		-)))
168		-* (((
169		-Packet engine up to 256 bytes with CRC.
170		-
171		-
172		-
173		-)))
174		-
175	175	== 1.3 Features ==
176	176
177		-
178	178	* LoRaWAN Class A & Class C protocol
179		-
180	180	* Optional Customized LoRa Protocol
181		-
182	182	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183		-
184	184	* AT Commands to change parameters
185		-
186		-* Remote configure parameters via LoRa Downlink
187		-
	101	+* Remotely configure parameters via LoRaWAN Downlink
188	188	* Firmware upgradable via program port
189		-
190	190	* Counting
191	191
192	192	== 1.4 Applications ==
193	193
194		-
195	195	* Smart Buildings & Home Automation
196		-
197	197	* Logistics and Supply Chain Management
198		-
199	199	* Smart Metering
200		-
201	201	* Smart Agriculture
202		-
203	203	* Smart Cities
204		-
205	205	* Smart Factory
206	206
207	207	== 1.5 Hardware Variants ==
...	...	@@ -221,92 +221,140 @@
221	221	* 1 x Counting Port
222	222	)))
223	223
224		-= 2. Power ON Device =
	131	+= 2. Assembling the Device =
225	225
	133	+== 2.1 What is included in the package? ==
226	226
227		-(((
228		-The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
229		-)))
	135	+The package includes the following items:
230	230
231		-(((
232		-PWR will on when device is properly powered.
	137	+* 1 x LT-22222-L I/O Controller
	138	+* 1 x LoRaWAN antenna matched to the frequency of the LT-22222-L
	139	+* 1 x bracket for wall mounting
	140	+* 1 x programming cable
233	233
234		-
235		-)))
	142	+Attach the LoRaWAN antenna to the antenna connector, ANT,** **located on the top right side of the device, next to the upper terminal block. Secure the antenna by tightening it clockwise.
236	236
	144	+== 2.2 Terminals ==
	145	+
	146	+Upper screw terminal block (from left to right):
	147	+
	148	+(% style="width:634px" %)
	149	+|=(% style="width: 295px;" %)Terminal|=(% style="width: 338px;" %)Function
	150	+|(% style="width:295px" %)GND|(% style="width:338px" %)Ground
	151	+|(% style="width:295px" %)VIN|(% style="width:338px" %)Input Voltage
	152	+|(% style="width:295px" %)AVI2|(% style="width:338px" %)Analog Voltage Input Terminal 2
	153	+|(% style="width:295px" %)AVI1|(% style="width:338px" %)Analog Voltage Input Terminal 1
	154	+|(% style="width:295px" %)ACI2|(% style="width:338px" %)Analog Current Input Terminal 2
	155	+|(% style="width:295px" %)ACI1|(% style="width:338px" %)Analog Current Input Terminal 1
	156	+
	157	+Lower screw terminal block (from left to right):
	158	+
	159	+(% style="width:633px" %)
	160	+|=(% style="width: 296px;" %)Terminal|=(% style="width: 334px;" %)Function
	161	+|(% style="width:296px" %)RO1-2|(% style="width:334px" %)Relay Output 1
	162	+|(% style="width:296px" %)RO1-1|(% style="width:334px" %)Relay Output 1
	163	+|(% style="width:296px" %)RO2-2|(% style="width:334px" %)Relay Output 2
	164	+|(% style="width:296px" %)RO2-1|(% style="width:334px" %)Relay Output 2
	165	+|(% style="width:296px" %)DI2+|(% style="width:334px" %)Digital Input 2
	166	+|(% style="width:296px" %)DI2-|(% style="width:334px" %)Digital Input 2
	167	+|(% style="width:296px" %)DI1+|(% style="width:334px" %)Digital Input 1
	168	+|(% style="width:296px" %)DI1-|(% style="width:334px" %)Digital Input 1
	169	+|(% style="width:296px" %)DO2|(% style="width:334px" %)Digital Output 2
	170	+|(% style="width:296px" %)DO1|(% style="width:334px" %)Digital Output 1
	171	+
	172	+== 2.3 Powering the LT-22222-L ==
	173	+
	174	+The LT-22222-L I/O Controller can be powered by a 7–24V DC power source. Connect the power supply’s positive wire to the VIN and the negative wire to the GND screw terminals. The power indicator (PWR) LED will turn on when the device is properly powered.
	175	+
	176	+
237	237	[[image:1653297104069-180.png]]
238	238
239	239
240	240	= 3. Operation Mode =
241	241
242		-== 3.1 How it works? ==
	182	+== 3.1 How does it work? ==
243	243
	184	+By default, the LT-22222-L is configured to operate in LoRaWAN Class C mode. It supports OTAA (Over-the-Air Activation), the most secure method for activating a device with a LoRaWAN network server. The LT-22222-L comes with device registration information that allows you to register it with a LoRaWAN network, enabling the device to perform OTAA activation with the network server upon initial power-up and after any subsequent reboots.
244	244
245		-(((
246		-The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**TX LED**(%%) will be on for 5 seconds after joined in network. When there is message from server, the RX LED will be on for 1 second.
247		-)))
	186	+For LT-22222-L, the LED will show the Join status: After powering on, the TX LED will fast-blink 5 times which means the LT-22222-L will enter the working mode and start to JOIN the LoRaWAN network. The TX LED will be on for 5 seconds after joining the network. When there is a message from the server, the RX LED will be on for 1 second.
248	248
249		-(((
250		-In case user can't set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
251		-)))
	188	+In case you can't set the root key and other identifiers in the network server and must use them from the server, you can use [[AT Commands>>||anchor="H4.UseATCommand"]] to configure them on the device.
252	252
	190	+== 3.2 Registering with a LoRaWAN network server ==
253	253
254		-== 3.2 Example to join LoRaWAN network ==
	192	+The diagram below shows how the LT-22222-L connects to a typical LoRaWAN network.
255	255
	194	+[[image:image-20220523172350-1.png||height="266" width="864"]]
256	256
257		-(((
258		-This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here.
	196	+=== 3.2.1 Prerequisites ===
259	259
260		-
261		-)))
	198	+Make sure you have the device registration information such as DevEUI, AppEUI, and AppKey with you. The registration information can be found on a sticker that can be found inside the package. Please keep the **registration information** sticker in a safe place for future reference.
262	262
263		-[[image:image-20220523172350-1.png||height="266" width="864"]]
	200	+[[image:image-20230425173427-2.png||height="246" width="530"]]
264	264
	202	+The following subsections explain how to register the LT-22222-L with different LoRaWAN network server providers.
265	265
266		-(((
267		-The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN:
	204	+=== 3.2.2 The Things Stack Sandbox (TTSS) ===
268	268
269		-
270		-)))
	206	+* Log in to your [[The Things Stack Sandbox>>https://eu1.cloud.thethings.network]] account.
	207	+* Create an application if you do not have one yet.
	208	+* Register LT-22222-L with that application. Two registration options are available:
271	271
272		-(((
273		-(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
274		-)))
	210	+==== Using the LoRaWAN Device Repository: ====
275	275
276		-(((
277		-Each LT is shipped with a sticker with the default device EUI as below:
278		-)))
	212	+* Go to your application and click on the **Register end device** button.
	213	+* On the **Register end device** page:
	214	+** Select the option **Select the end device in the LoRaWAN Device Repository**.
	215	+** Choose the **End device brand**, **Model**, **Hardware version**, **Firmware version**, and **Profile (Region)**.
	216	+** Select the **Frequency plan** that matches your device.
279	279
280		-[[image:image-20230425173427-2.png||height="246" width="530"]]
	218	+[[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]]
281	281
	220	+*
	221	+** Enter the **AppEUI** in the **JoinEUI** field and click the **Confirm** button.
	222	+** Enter the **DevEUI** in the **DevEUI** field.
	223	+** Enter the **AppKey** in the **AppKey** field.
	224	+** In the **End device ID** field, enter a unique name within this application for your LT-22222-N.
	225	+** Under **After registration**, select the **View registered end device** option.
282	282
283		-Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
	227	+[[image:lt-22222-l-dev-repo-reg-p2.png||height="625" width="1000"]]
284	284
285		-**Add APP EUI in the application.**
	229	+==== Entering device information manually: ====
286	286
287		-[[image:1653297955910-247.png||height="321" width="716"]]
	231	+* On the **Register end device** page:
	232	+** Select the **Enter end device specifies manually** option as the input method.
	233	+** Select the **Frequency plan** that matches your device.
	234	+** Select the **LoRaWAN version**.
	235	+** Select the **Regional Parameters version**.
	236	+** Click **Show advanced activation, LoRaWAN class and cluster settings** link to expand the section.
	237	+** Select **Over the air activation (OTAA)** option under the **Activation mode**
	238	+** Select **Class C (Continuous)** from the **Additional LoRaWAN class capabilities**.
288	288
	240	+[[image:lt-22222-l-manually-p1.png||height="625" width="1000"]]
289	289
290		-**Add APP KEY and DEV EUI**
291	291
292		-[[image:1653298023685-319.png]]
	243	+* Enter **AppEUI** in the **JoinEUI** field and click the **Confirm** button.
	244	+* Enter **DevEUI** in the **DevEUI** field.
	245	+* Enter **AppKey** in the **AppKey** field.
	246	+* In the **End device ID** field, enter a unique name within this application for your LT-22222-N.
	247	+* Under **After registration**, select the **View registered end device** option.
293	293
	249	+[[image:lt-22222-l-manually-p2.png||height="625" width="1000"]]
294	294
295		-(((
296		-(% style="color:blue" %)**Step 2**(%%): Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
297	297
298		-
299		-)))
	252	+==== Joining ====
300	300
	254	+Click on **Live Data** in the left navigation. Then, power on the device, and it will join The Things Stack Sandbox. You can see the join request, join accept, followed by uplink messages form the device showing in the Live Data panel.
	255	+
301	301	[[image:1653298044601-602.png||height="405" width="709"]]
302	302
303	303
304		-== 3.3 Uplink Payload ==
	259	+== 3.3 Uplink Payload formats ==
305	305
306	306
307		-There are five working modes + one interrupt mode on LT for different type application:
	262	+The LT-22222-L has 5 working modes. It also has an interrupt/trigger mode for different types of applications that can be used together with any working mode as an additional feature. The default mode is MOD1 and you can switch between these modes using AT commands.
308	308
309		-* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
	264	+* (% style="color:blue" %)**MOD1**(%%): (default mode/factory set): 2 x ACI + 2AVI + DI + DO + RO
310	310
311	311	* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
312	312
...	...	@@ -322,7 +322,7 @@
322	322
323	323
324	324	(((
325		-The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
	280	+The uplink payload is 11 bytes long. Uplink packets are sent over LoRaWAN FPort=2. By default, one uplink is sent every 10 minutes. (% style="display:none" wfd-invisible="true" %)
326	326
327	327	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
328	328	|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
...	...	@@ -340,23 +340,23 @@
340	340	)))
341	341
342	342	(((
343		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	298	+(% style="color:#4f81bd" %)*** DIDORO**(%%) is a combination of RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
344	344
345	345	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
346		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
347		-|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
	301	+|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
	302	+|RO1|RO2|--DI3--|DI2|DI1|--DO3--|DO2|DO1
348	348	)))
349	349
350		-* RO is for relay. ROx=1 : close, ROx=0 always open.
351		-* DI is for digital input. DIx=1: high or float, DIx=0: low.
352		-* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
	305	+* RO is for the relay. ROx=1: closed, ROx=0 always open.
	306	+* DI is for digital input. DIx=1: high or floating, DIx=0: low.
	307	+* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
353	353
354		-(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
	309	+(% style="color:red" %)**Note: DI3 and DO3 bits are not valid for LT-22222-L**
355	355
356		-For example if payload is: [[image:image-20220523175847-2.png]]
	311	+For example, if the payload is: [[image:image-20220523175847-2.png]]
357	357
358	358
359		-**The value for the interface is:  **
	314	+**The interface values can be calculated as follows:  **
360	360
361	361	AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
362	362
...	...	@@ -366,35 +366,32 @@
366	366
367	367	ACI2 channel current is 0x1300/1000=4.864mA
368	368
369		-The last byte 0xAA= 10101010(B) means
	324	+The last byte 0xAA= **10101010**(b) means,
370	370
371		-* [1] RO1 relay channel is close and the RO1 LED is ON.
372		-* [0] RO2 relay channel is open and RO2 LED is OFF;
	326	+* [1] The RO1 relay channel is CLOSED, and the RO1 LED is ON.
	327	+* [0] The RO2 relay channel is OPEN, and the RO2 LED is OFF.
	328	+* [1] DI3 - not used for LT-22222-L.
	329	+* [0] DI2 channel input is LOW, and the DI2 LED is OFF.
	330	+* [1] DI1 channel input state:
	331	+** DI1 is FLOATING when no sensor is connected between DI1+ and DI1-.
	332	+** DI1 is HIGH when a sensor is connected between DI1- and DI1+ and the sensor is ACTIVE.
	333	+** DI1 LED is ON in both cases.
	334	+* [0] DO3 - not used for LT-22222-L.
	335	+* [1] DO2 channel output is LOW, and the DO2 LED is ON.
	336	+* [0] DO1 channel output state:
	337	+** DO1 is FLOATING when there is no load between DO1 and V+.
	338	+** DO1 is HIGH when there is a load between DO1 and V+.
	339	+** DO1 LED is OFF in both cases.
373	373
374		-**LT22222-L:**
375		-
376		-* [1] DI2 channel is high input and DI2 LED is ON;
377		-* [0] DI1 channel is low input;
378		-
379		-* [0] DO3 channel output state
380		-** DO3 is float in case no load between DO3 and V+.;
381		-** DO3 is high in case there is load between DO3 and V+.
382		-** DO3 LED is off in both case
383		-* [1] DO2 channel output is low and DO2 LED is ON.
384		-* [0] DO1 channel output state
385		-** DO1 is float in case no load between DO1 and V+.;
386		-** DO1 is high in case there is load between DO1 and V+.
387		-** DO1 LED is off in both case
388		-
389	389	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
390	390
391	391
392	392	(((
393		-**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
	345	+**For LT-22222-L**: In this mode, the **DI1 and DI2** are used as counting pins.
394	394	)))
395	395
396	396	(((
397		-Total : 11 bytes payload
	349	+The uplink payload is 11 bytes long.
398	398
399	399	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
400	400	|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
...	...	@@ -404,26 +404,26 @@
404	404	)))
405	405
406	406	(((
407		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
	359	+(% style="color:#4f81bd" %)***DIDORO**(%%) is a combination of RO1, RO2, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
408	408
409	409	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
410		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
411		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
	362	+|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
	363	+|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
412	412
413		-RO is for relay. ROx=1 : close , ROx=0 always open.
	365	+* RO is for the relay. ROx=1: closed, ROx=0 always open.
414	414	)))
415	415
416		-* FIRST: Indicate this is the first packet after join network.
417		-* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
	368	+* FIRST: Indicates that this is the first packet after joining the network.
	369	+* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
418	418
419	419	(((
420		-(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
	372	+(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L**
421	421
422	422
423	423	)))
424	424
425	425	(((
426		-**To use counting mode, please run:**
	378	+**To activate this mode, run the following AT commands:**
427	427	)))
428	428
429	429	(((
...	...	@@ -444,17 +444,17 @@
444	444	(((
445	445	**For LT22222-L:**
446	446
447		-(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
	399	+(% style="color:blue" %)**AT+TRIG1=0,100**(%%)** (sets the DI1 port to trigger on a LOW level. The valid signal duration is 100ms) **
448	448
449		-(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
	401	+(% style="color:blue" %)**AT+TRIG1=1,100**(%%)** (sets the DI1 port to trigger on a HIGH level. The valid signal duration is 100ms) **
450	450
451		-(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
	403	+(% style="color:blue" %)**AT+TRIG2=0,100**(%%)** (sets the DI2 port to trigger on a LOW level. The valid signal duration is 100ms) **
452	452
453		-(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
	405	+(% style="color:blue" %)**AT+TRIG2=1,100**(%%)** (sets the DI2 port to trigger on a HIGH level. The valid signal duration is 100ms) **
454	454
455		-(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
	407	+(% style="color:blue" %)**AT+SETCNT=1,60**(%%)** (sets the COUNT1 value to 60)**
456	456
457		-(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set COUNT2 value to 60)**
	409	+(% style="color:blue" %)**AT+SETCNT=2,60 **(%%)**(sets the COUNT2 value to 60)**
458	458	)))
459	459
460	460
...	...	@@ -461,7 +461,7 @@
461	461	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
462	462
463	463
464		-**LT22222-L**: This mode the DI1 is used as a counting pin.
	416	+**LT22222-L**: In this mode, the DI1 is used as a counting pin.
465	465
466	466	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
467	467	|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
...	...	@@ -472,24 +472,24 @@
472	472	)))|DIDORO*|Reserve|MOD
473	473
474	474	(((
475		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	427	+(% style="color:#4f81bd" %)***DIDORO**(%%) is a combination of RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
476	476
477	477	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
478		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
479		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
	430	+|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
	431	+|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
480	480	)))
481	481
482		-* RO is for relay. ROx=1 : close, ROx=0 always open.
483		-* FIRST: Indicate this is the first packet after join network.
484		-* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
	434	+* RO is for the relay. ROx=1: closed, ROx=0 always open.
	435	+* FIRST: Indicates that this is the first packet after joining the network.
	436	+* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
485	485
486	486	(((
487		-(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
	439	+(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
488	488	)))
489	489
490	490
491	491	(((
492		-**To use counting mode, please run:**
	444	+**To activate this mode, run the following AT commands:**
493	493	)))
494	494
495	495	(((
...	...	@@ -502,7 +502,9 @@
502	502	)))
503	503
504	504	(((
505		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
	457	+AT Commands for counting:
	458	+
	459	+The AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s.
506	506	)))
507	507
508	508
...	...	@@ -510,11 +510,11 @@
510	510
511	511
512	512	(((
513		-**LT22222-L**: This mode the DI1 is used as a counting pin.
	467	+**LT22222-L**: In this mode, the DI1 is used as a counting pin.
514	514	)))
515	515
516	516	(((
517		-The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
	471	+The AVI1 is also used for counting. It monitors the voltage and checks it every **60 seconds**. If the voltage is higher or lower than VOLMAX mV, the AVI1 count increases by 1, allowing AVI1 counting to be used to measure a machine's working hours.
518	518
519	519	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
520	520	|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
...	...	@@ -524,25 +524,25 @@
524	524	)))
525	525
526	526	(((
527		-(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	481	+(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination of RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
528	528
529	529	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
530		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
531		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
	484	+|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
	485	+|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
532	532	)))
533	533
534		-* RO is for relay. ROx=1 : close, ROx=0 always open.
535		-* FIRST: Indicate this is the first packet after join network.
536		-* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
	488	+* RO is for the relay. ROx=1: closed, ROx=0 always open.
	489	+* FIRST: Indicates that this is the first packet after joining the network.
	490	+* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
537	537
538	538	(((
539		-(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
	493	+(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
540	540
541	541
542	542	)))
543	543
544	544	(((
545		-**To use this mode, please run:**
	499	+**To activate this mode, run the following AT commands:**
546	546	)))
547	547
548	548	(((
...	...	@@ -555,19 +555,19 @@
555	555	)))
556	556
557	557	(((
558		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
	512	+Other AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s.
559	559	)))
560	560
561	561	(((
562		-**Plus below command for AVI1 Counting:**
	516	+**In addition to that, below are the commands for AVI1 Counting:**
563	563
564		-(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
	518	+(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (Sets AVI Count to 60)**
565	565
566	566	(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
567	567
568	568	(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
569	569
570		-(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
	524	+(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
571	571	)))
572	572
573	573
...	...	@@ -574,7 +574,7 @@
574	574	=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
575	575
576	576
577		-**LT22222-L**: This mode the DI1 is used as a counting pin.
	531	+**LT22222-L**: In this mode, the DI1 is used as a counting pin.
578	578
579	579	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
580	580	|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
...	...	@@ -589,25 +589,25 @@
589	589	)))|MOD
590	590
591	591	(((
592		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	546	+(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination of RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
593	593
594	594	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
595		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	549	+|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
596	596	|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
597	597	)))
598	598
599		-* RO is for relay. ROx=1 : close, ROx=0 always open.
600		-* FIRST: Indicate this is the first packet after join network.
	553	+* RO is for the relay. ROx=1: closed, ROx=0 always open.
	554	+* FIRST: Indicates that this is the first packet after joining the network.
601	601	* (((
602		-DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
	556	+DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
603	603	)))
604	604
605	605	(((
606		-(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
	560	+(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
607	607	)))
608	608
609	609	(((
610		-**To use this mode, please run:**
	564	+**To activate this mode, run the following AT commands:**
611	611	)))
612	612
613	613	(((
...	...	@@ -620,7 +620,7 @@
620	620	)))
621	621
622	622	(((
623		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
	577	+Other AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s.
624	624	)))
625	625
626	626
...	...	@@ -627,23 +627,22 @@
627	627	=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
628	628
629	629
630		-(% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
	584	+(% style="color:#4f81bd" %)**This mode is optional and intended for trigger purposes. It can operate together with other modes.**
631	631
632		-For example, if user has configured below commands:
	586	+For example, if you configured the following commands:
633	633
634	634	* **AT+MOD=1 ** **~-~->**  The normal working mode
635		-* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
	589	+* **AT+ADDMOD6=1**   **~-~->**  Enable trigger mode
636	636
637		-LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
	591	+The LT-22222-L will continuously monitor AV1, AV2, AC1, and AC2 every 5 seconds. LT will send uplink packets in two cases:
638	638
639		-1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type
640		-1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.**
	593	+1. Periodically uplink (Based on TDC time). The payload is the same as in normal mode (MOD=1 for the commands above). These are (% style="color:#4f81bd" %)**unconfirmed**(%%) uplinks.
	594	+1. Trigger uplink when the trigger condition is met. LT will send two packets in this case. The first uplink uses the payload specified in trigger mode (MOD=6). The second packet uses the normal mode payload (MOD=1 as set above). Both are (% style="color:#4f81bd" %)**CONFIRMED uplinks.**
641	641
642	642	(% style="color:#037691" %)**AT Command to set Trigger Condition**:
643	643
	598	+(% style="color:#4f81bd" %)**Trigger based on voltage**:
644	644
645		-(% style="color:#4f81bd" %)**Trigger base on voltage**:
646		-
647	647	Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
648	648
649	649
...	...	@@ -654,9 +654,8 @@
654	654	AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
655	655
656	656
	610	+(% style="color:#4f81bd" %)**Trigger based on current**:
657	657
658		-(% style="color:#4f81bd" %)**Trigger base on current**:
659		-
660	660	Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
661	661
662	662
...	...	@@ -665,11 +665,10 @@
665	665	AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
666	666
667	667
	620	+(% style="color:#4f81bd" %)**Trigger based on DI status**:
668	668
669		-(% style="color:#4f81bd" %)**Trigger base on DI status**:
	622	+DI status triggers Flag.
670	670
671		-DI status trigger Flag.
672		-
673	673	Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
674	674
675	675
...	...	@@ -710,7 +710,7 @@
710	710
711	711	(% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
712	712
713		-MOD6 Payload : total 11 bytes payload
	664	+MOD6 Payload: total 11 bytes payload
714	714
715	715	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
716	716	|(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:49px" %)**6**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**1**
...	...	@@ -724,7 +724,7 @@
724	724	MOD(6)
725	725	)))
726	726
727		-(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
	678	+(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if the trigger is set for this part. Totally 1byte as below
728	728
729	729	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
730	730	|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
...	...	@@ -1155,7 +1155,7 @@
1155	1155	)))
1156	1156
1157	1157	(((
1158		-01: Close ,  00: Open , 11: No action
	1109	+00: Closed ,  01: Open , 11: No action
1159	1159
1160	1160	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1161	1161	|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
...	...	@@ -1277,7 +1277,7 @@
1277	1277
1278	1278
1279	1279
1280		-==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
	1231	+==== 3.4.2.19 Counting ~-~- Change counting mode to save time ====
1281	1281
1282	1282
1283	1283	* (% style="color:#037691" %)**AT Command:**
...	...	@@ -1398,74 +1398,91 @@
1398	1398	[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1399	1399
1400	1400
1401		-== 3.5 Integrate with Mydevice ==
	1352	+== 3.5 Integrating with ThingsEye.io ==
1402	1402
	1354	+If you are using one of The Things Stack plans, you can integrate ThingsEye.io with your application. Once integrated, ThingsEye.io works as an MQTT client for The Things Stack MQTT broker, allowing it to subscribe to upstream traffic and publish downlink traffic.
1403	1403
1404		-Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
	1356	+=== 3.5.1 Configuring The Things Stack Sandbox ===
1405	1405
1406		-(((
1407		-(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1408		-)))
	1358	+* Go to your Application and select MQTT under Integrations.
	1359	+* In the Connection credentials section, under Username, The Thins Stack displays an auto-generated username. You can use it or provide a new one.
	1360	+* For the Password, click the Generate new API key button to generate a password. You can see it by clicking on the eye button.
1409	1409
1410		-(((
1411		-(% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
	1362	+[[image:tts-mqtt-integration.png||height="625" width="1000"]]
1412	1412
1413		-
1414		-)))
	1364	+=== 3.5.2 Configuring ThingsEye.io ===
1415	1415
1416		-[[image:image-20220719105525-1.png||height="377" width="677"]]
	1366	+* Login to your thingsEye.io account.
	1367	+* Under the Integrations center, click Integrations.
	1368	+* Click the Add integration button (the button with the + symbol).
1417	1417
	1370	+[[image:thingseye-io-step-1.png||height="625" width="1000"]]
1418	1418
1419	1419
1420		-[[image:image-20220719110247-2.png||height="388" width="683"]]
	1373	+On the Add integration page configure the following:
1421	1421
	1375	+Basic settings:
1422	1422
1423		-(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
	1377	+* Select The Things Stack Community from the Integration type list.
	1378	+* Enter a suitable name for your integration in the Name box or keep the default name.
	1379	+* Click the Next button.
1424	1424
1425		-(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
	1381	+[[image:thingseye-io-step-2.png||height="625" width="1000"]]
1426	1426
1427		-Search under The things network
	1383	+Uplink Data converter:
1428	1428
1429		-[[image:1653356838789-523.png||height="337" width="740"]]
	1385	+* Click the Create New button if it is not selected by default.
	1386	+* Click the JavaScript button.
	1387	+* Paste the uplink decoder function into the text area (first, delete the default code). The demo decoder function can be found here.
	1388	+* Click the Next button.
1430	1430
	1390	+[[image:thingseye-io-step-3.png||height="625" width="1000"]]
1431	1431
1432		-After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
	1392	+Downlink Data converter (this is an optional step):
1433	1433
1434		-[[image:image-20220524094909-1.png||height="335" width="729"]]
	1394	+* Click the Create new button if it is not selected by default.
	1395	+* Click the JavaScript button.
	1396	+* Paste the downlink decoder function into the text area (first, delete the default code). The demo decoder function can be found here.
	1397	+* Click the Next button.
1435	1435
	1399	+[[image:thingseye-io-step-4.png||height="625" width="1000"]]
1436	1436
1437		-[[image:image-20220524094909-2.png||height="337" width="729"]]
	1401	+Connection:
1438	1438
	1403	+* Choose Region from the Host type.
	1404	+* Enter the cluster of your The Things Stack in the Region textbox.
	1405	+* Enter the Username and Password in the Credentials section. Use the same username and password you created with the MQTT page of The Things Stack.
	1406	+* Click Check connection to test the connection. If the connection is successful, you can see the message saying Connected.
	1407	+* Click the Add button.
1439	1439
1440		-[[image:image-20220524094909-3.png||height="338" width="727"]]
	1409	+[[image:thingseye-io-step-5.png||height="625" width="1000"]]
1441	1441
1442	1442
1443		-[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
	1412	+Your integration is added to the integrations list and it will display on the Integrations page.
1444	1444
	1414	+[[image:thingseye-io-step-6.png||height="625" width="1000"]]
1445	1445
1446		-[[image:image-20220524094909-5.png||height="341" width="734"]]
1447	1447
	1417	+== 3.6 Interface Details ==
1448	1448
1449		-== 3.6 Interface Detail ==
1450		-
1451	1451	=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1452	1452
1453	1453
1454		-Support NPN Type sensor
	1422	+Support NPN-type sensor
1455	1455
1456	1456	[[image:1653356991268-289.png]]
1457	1457
1458	1458
1459		-=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
	1427	+=== 3.6.2 Digital Input Ports: DI1/DI2 ( For LT-22222-L) ===
1460	1460
1461	1461
1462	1462	(((
1463		-The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
	1431	+The DI ports of the LT-22222-L can support **NPN**, **PNP**, or **dry contact** output sensors.
1464	1464	)))
1465	1465
1466	1466	(((
1467	1467	(((
1468		-Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA). (% class="mark" %)When there is active current pass NEC2501 pin1 to pin2. The DI will be active high and DI LED status will change.
	1436	+The part of the internal circuit of the LT-22222-L shown below includes the NEC2501 photocoupler. The active current from NEC2501 pin 1 to pin 2 is 1 mA, with a maximum allowable current of 50 mA. When active current flows from NEC2501 pin 1 to pin 2, the DI becomes active HIGH and the DI LED status changes.
1469	1469
1470	1470
1471	1471	)))
...	...	@@ -1475,7 +1475,7 @@
1475	1475
1476	1476	(((
1477	1477	(((
1478		-When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
	1446	+(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)When connecting a device to the DI port, both DI1+ and DI1- must be connected.
1479	1479	)))
1480	1480	)))
1481	1481
...	...	@@ -1484,22 +1484,22 @@
1484	1484	)))
1485	1485
1486	1486	(((
1487		-(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
	1455	+(% style="color:#0000ff" %)**Example 1**(%%): Connecting to a low-active sensor.
1488	1488	)))
1489	1489
1490	1490	(((
1491		-This type of sensor will output a low signal GND when active.
	1459	+This type of sensor outputs a low (GND) signal when active.
1492	1492	)))
1493	1493
1494	1494	* (((
1495		-Connect sensor's output to DI1-
	1463	+Connect the sensor's output to DI1-
1496	1496	)))
1497	1497	* (((
1498		-Connect sensor's VCC to DI1+.
	1466	+Connect the sensor's VCC to DI1+.
1499	1499	)))
1500	1500
1501	1501	(((
1502		-So when sensor active, the current between NEC2501 pin1 and pin2 is：
	1470	+When the sensor is active, the current between NEC2501 pin 1 and pin 2 will be：
1503	1503	)))
1504	1504
1505	1505	(((
...	...	@@ -1507,7 +1507,7 @@
1507	1507	)))
1508	1508
1509	1509	(((
1510		-If** DI1+ **= **12v**, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
	1478	+For example, if** DI1+ **= **12V**, the resulting current is [[image:1653968155772-850.png||height="23" width="19"]]= 12mA. Therefore, the LT-22222-L will be able to detect this active signal.
1511	1511	)))
1512	1512
1513	1513	(((
...	...	@@ -1515,22 +1515,22 @@
1515	1515	)))
1516	1516
1517	1517	(((
1518		-(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
	1486	+(% style="color:#0000ff" %)**Example 2**(%%): Connecting to a high-active sensor.
1519	1519	)))
1520	1520
1521	1521	(((
1522		-This type of sensor will output a high signal (example 24v) when active.
	1490	+This type of sensor outputs a high signal (e.g., 24V) when active.
1523	1523	)))
1524	1524
1525	1525	* (((
1526		-Connect sensor's output to DI1+
	1494	+Connect the sensor's output to DI1+
1527	1527	)))
1528	1528	* (((
1529		-Connect sensor's GND DI1-.
	1497	+Connect the sensor's GND DI1-.
1530	1530	)))
1531	1531
1532	1532	(((
1533		-So when sensor active, the current between NEC2501 pin1 and pin2 is:
	1501	+When the sensor is active, the current between NEC2501 pin1 and pin2 will be:
1534	1534	)))
1535	1535
1536	1536	(((
...	...	@@ -1538,7 +1538,7 @@
1538	1538	)))
1539	1539
1540	1540	(((
1541		-If **DI1+ = 24v**, the[[image:1653968155772-850.png||height="23" width="19"]] 24mA , So the LT-22222-L will be able to detect this high active signal.
	1509	+If **DI1+ = 24V**, the resulting current[[image:1653968155772-850.png||height="23" width="19"]] is 24mA, Therefore, the LT-22222-L will detect this high-active signal.
1542	1542	)))
1543	1543
1544	1544	(((
...	...	@@ -1546,22 +1546,22 @@
1546	1546	)))
1547	1547
1548	1548	(((
1549		-(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
	1517	+(% style="color:#0000ff" %)**Example 3**(%%): Connecting to a 220V high-active sensor.
1550	1550	)))
1551	1551
1552	1552	(((
1553		-Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler
	1521	+Assume that you want to monitor an active signal higher than 220V without damaging the photocoupler
1554	1554	)))
1555	1555
1556	1556	* (((
1557		-Connect sensor's output to DI1+ with a serial 50K resistor
	1525	+Connect the sensor's output to DI1+ with a 50K resistor in series.
1558	1558	)))
1559	1559	* (((
1560		-Connect sensor's GND DI1-.
	1528	+Connect the sensor's GND DI1-.
1561	1561	)))
1562	1562
1563	1563	(((
1564		-So when sensor active, the current between NEC2501 pin1 and pin2 is:
	1532	+When the sensor is active, the current between NEC2501 pin1 and pin2 will be:
1565	1565	)))
1566	1566
1567	1567	(((
...	...	@@ -1569,38 +1569,37 @@
1569	1569	)))
1570	1570
1571	1571	(((
1572		-If sensor output is 220v, the [[image:1653968155772-850.png||height="23" width="19"]](% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
	1540	+If the sensor output is 220V, then [[image:1653968155772-850.png||height="23" width="19"]](% id="cke_bm_243359S" style="display:none" wfd-invisible="true" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K  = 4.3mA. Therefore, the LT-22222-L will be able to safely detect this high-active signal.
1573	1573	)))
1574	1574
1575	1575
1576		-(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
	1544	+(% style="color:blue" %)**Example4**(%%): Connecting to Dry Contact sensor
1577	1577
1578		-From above DI ports circuit, we can see that active the photocoupler will need to have a voltage difference between DI+ and DI- port. While the Dry Contact sensor is a passive component which can't provide this voltage difference.
	1546	+From the DI port circuit above, you can see that activating the photocoupler requires a voltage difference between the DI+ and DI- ports. However, the Dry Contact sensor is a passive component and cannot provide this voltage difference.
1579	1579
1580		-To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
	1548	+To detect a Dry Contact, you can supply a power source to one pin of the Dry Contact. Below is a reference circuit diagram.
1581	1581
1582	1582	[[image:image-20230616235145-1.png]]
1583	1583
1584		-(% style="color:blue" %)**Example5**(%%): Connect to Open Colleactor
	1552	+(% style="color:blue" %)**Example5**(%%): Connecting to an Open Collector
1585	1585
1586	1586	[[image:image-20240219115718-1.png]]
1587	1587
1588	1588
	1557	+=== 3.6.3 Digital Output Ports: DO1/DO2 /DO3 ===
1589	1589
1590		-=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1591	1591
	1560	+(% style="color:blue" %)**NPN output**(%%): GND or Float. The maximum voltage that can be applied to the output pin is 36V.
1592	1592
1593		-(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
	1562	+(% style="color:red" %)**Note: The DO pins will float when the device is powered off.**
1594	1594
1595		-(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1596		-
1597	1597	[[image:1653357531600-905.png]]
1598	1598
1599	1599
1600		-=== 3.6.4 Analog Input Interface ===
	1567	+=== 3.6.4 Analog Input Interfaces ===
1601	1601
1602	1602
1603		-The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is:
	1570	+The analog input interface is shown below. The LT-22222-L will measure the IN2 voltage to calculate the current passing through the load. The formula is:
1604	1604
1605	1605
1606	1606	(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
...	...	@@ -1607,14 +1607,14 @@
1607	1607
1608	1608	[[image:1653357592296-182.png]]
1609	1609
1610		-Example to connect a 4~~20mA sensor
	1577	+Example: Connecting a 4~~20mA sensor
1611	1611
1612		-We take the wind speed sensor as an example for reference only.
	1579	+We will use the wind speed sensor as an example for reference only.
1613	1613
1614	1614
1615	1615	(% style="color:blue" %)**Specifications of the wind speed sensor:**
1616	1616
1617		-(% style="color:red" %)**Red:  12~~24v**
	1584	+(% style="color:red" %)**Red:  12~~24V**
1618	1618
1619	1619	(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1620	1620
...	...	@@ -1627,7 +1627,7 @@
1627	1627	[[image:1653357648330-671.png||height="155" width="733"]]
1628	1628
1629	1629
1630		-Example connected to a regulated power supply to measure voltage
	1597	+Example: Connecting to a regulated power supply to measure voltage
1631	1631
1632	1632	[[image:image-20230608101532-1.png||height="606" width="447"]]
1633	1633
...	...	@@ -1636,7 +1636,7 @@
1636	1636	[[image:image-20230608101722-3.png||height="102" width="1139"]]
1637	1637
1638	1638
1639		-(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
	1606	+(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power supply**(% style="color:blue" %)**:**
1640	1640
1641	1641	(% style="color:red" %)**Red:  12~~24v**
1642	1642
...	...	@@ -1647,9 +1647,9 @@
1647	1647
1648	1648
1649	1649	(((
1650		-The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device's Power Line to in serial of RO1_1 and RO_2. Such as below:
	1617	+The LT-22222-L has two relay interfaces, RO1 and RO2, each using two pins of the screw terminal (ROx-1 and ROx-2 where x is the port number, 1 or 2). You can connect a device's power line in series with one of the relay interfaces (e.g., RO1-1 and RO1-2 screw terminals). See the example below:
1651	1651
1652		-**Note**: RO pins go to Open(NO) when device is power off.
	1619	+**Note**: The ROx pins will be in the Open (NO) state when the LT-22222-L is powered off.
1653	1653	)))
1654	1654
1655	1655	[[image:image-20220524100215-9.png]]
...	...	@@ -1661,12 +1661,9 @@
1661	1661	== 3.7 LEDs Indicators ==
1662	1662
1663	1663
1664		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1665		-|(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:470px" %)**Feature**
	1631	+(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
	1632	+|(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
1666	1666	|**PWR**|Always on if there is power
1667		-|**SYS**|(((
1668		-After device is powered on, the SYS will **fast blink in GREEN** for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be **on GREEN for 5 seconds. **SYS will **blink Blue** on every upload and **blink Green** once receive a downlink message.
1669		-)))
1670	1670	|**TX**|(((
1671	1671	(((
1672	1672	Device boot: TX blinks 5 times.
...	...	@@ -1680,40 +1680,32 @@
1680	1680	Transmit a LoRa packet: TX blinks once
1681	1681	)))
1682	1682	)))
1683		-|**RX**|RX blinks once when receive a packet.
1684		-|**DO1**|
1685		-|**DO2**|
1686		-|**DO3**|
1687		-|**DI2**|(((
1688		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
	1647	+|**RX**|RX blinks once when receiving a packet.
	1648	+|**DO1**|For LT-22222-L: ON when DO1 is low, OFF when DO1 is high
	1649	+|**DO2**|For LT-22222-L: ON when DO2 is low, OFF when DO2 is high
	1650	+|**DI1**|(((
	1651	+For LT-22222-L: ON when DI1 is high, OFF when DI1 is low
1689	1689	)))
1690	1690	|**DI2**|(((
1691		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
	1654	+For LT-22222-L: ON when DI2 is high, OFF when DI2 is low
1692	1692	)))
1693		-|**DI2**|(((
1694		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1695		-)))
1696		-|**RO1**|
1697		-|**RO2**|
	1656	+|**RO1**|For LT-22222-L: ON when RO1 is closed, OFF when RO1 is open
	1657	+|**RO2**|For LT-22222-L: ON when RO2 is closed, OFF when RO2 is open
1698	1698
1699		-= 4. Use AT Command =
	1659	+= 4. Using AT Command =
1700	1700
1701		-== 4.1 Access AT Command ==
	1661	+== 4.1 Connecting the LT-22222-L to a computer ==
1702	1702
1703	1703
1704	1704	(((
1705		-LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below.
	1665	+The LT-22222-L supports programming using AT Commands. You can use a USB-to-TTL adapter along with a 3.5mm Program Cable to connect the LT-22222-L to a computer, as shown below.
1706	1706	)))
1707	1707
1708		-(((
1709		-
1710		-)))
1711		-
1712	1712	[[image:1653358238933-385.png]]
1713	1713
1714	1714
1715	1715	(((
1716		-In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below:
	1672	+On the PC, the user needs to set the (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) to a baud rate of (% style="color:green" %)**9600**(%%) to access to access serial console of LT-22222-L. The AT commands are disabled by default, and a password (default:(% style="color:green" %)**123456**)(%%) must be entered to active them, as shown below:
1717	1717	)))
1718	1718
1719	1719	[[image:1653358355238-883.png]]
...	...	@@ -1720,10 +1720,12 @@
1720	1720
1721	1721
1722	1722	(((
1723		-More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
	1679	+You can find more details in the [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1724	1724	)))
1725	1725
1726	1726	(((
	1683	+The following table lists all the AT commands related to the LT-22222-L, except for those used for switching between modes.
	1684	+
1727	1727	AT+<CMD>?        : Help on <CMD>
1728	1728	)))
1729	1729
...	...	@@ -2048,10 +2048,10 @@
2048	2048
2049	2049	= 5. Case Study =
2050	2050
2051		-== 5.1 Counting how many objects pass in Flow Line ==
	2009	+== 5.1 Counting how many objects pass through the flow Line ==
2052	2052
2053	2053
2054		-Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
	2012	+Reference Link: [[How to set up to setup counting for objects passing through the flow line>>How to set up to count objects pass in flow line]]?
2055	2055
2056	2056
2057	2057	= 6. FAQ =
...	...	@@ -2059,26 +2059,26 @@
2059	2059	== 6.1 How to upgrade the image? ==
2060	2060
2061	2061
2062		-The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
	2020	+The LT-22222-L I/O Controller is shipped with a 3.5mm cable, which is used to upload an image to LT in order to:
2063	2063
2064		-* Support new features
2065		-* For bug fix
	2022	+* Support new features.
	2023	+* Fix bugs.
2066	2066	* Change LoRaWAN bands.
2067	2067
2068		-Below shows the hardware connection for how to upload an image to the LT:
	2026	+Below is the hardware connection setup for uploading an image to the LT:
2069	2069
2070	2070	[[image:1653359603330-121.png]]
2071	2071
2072	2072
2073	2073	(((
2074		-(% style="color:blue" %)**Step1**(%%)**:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
2075		-(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]].
2076		-(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
	2032	+(% style="color:#0000ff" %)**Step 1**(%%)**:** Download the F[[lash Loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
	2033	+(% style="color:#0000ff" %)**Step 2**(%%)**:** Download the [[LT Image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]].
	2034	+(% style="color:#0000ff" %)**Step 3**(%%)**:** Open the Flash Loader and choose the correct COM port to update.
2077	2077
2078	2078
2079	2079	(((
2080	2080	(% style="color:blue" %)**For LT-22222-L**(%%):
2081		-Hold down the PRO button and then momentarily press the RST reset button and the (% style="color:red" %)**DO1 led**(%%) will change from OFF to ON. When (% style="color:red" %)**DO1 LED**(%%) is on, it means the device is in download mode.
	2039	+Hold down the PRO button, then momentarily press the RST reset button. The (% style="color:red" %)**DO1 LED**(%%) will change from OFF to ON. When the (% style="color:red" %)**DO1 LED**(%%) is ON, it indicates that the device is in download mode.
2082	2082	)))
2083	2083
2084	2084
...	...	@@ -2093,7 +2093,7 @@
2093	2093	[[image:image-20220524104033-15.png]]
2094	2094
2095	2095
2096		-(% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
	2054	+(% style="color:red" %)**Note**(%%): If you have lost the programming cable, you can make one from a 3.5mm cable. The pin mapping is as follows:
2097	2097
2098	2098	[[image:1653360054704-518.png||height="186" width="745"]]
2099	2099
...	...	@@ -2107,13 +2107,13 @@
2107	2107	)))
2108	2108
2109	2109	(((
2110		-User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
	2068	+You can follow the introductions on [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When downloading, select the required image file.
2111	2111	)))
2112	2112
2113	2113	(((
2114	2114
2115	2115
2116		-== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
	2074	+== 6.3 How to set up LT to work with a Single Channel Gateway, such as LG01/LG02? ==
2117	2117
2118	2118
2119	2119	)))
...	...	@@ -2120,13 +2120,13 @@
2120	2120
2121	2121	(((
2122	2122	(((
2123		-In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
	2081	+In this case, you need to set the LT-33222-L to work in ABP mode and transmit on only one frequency.
2124	2124	)))
2125	2125	)))
2126	2126
2127	2127	(((
2128	2128	(((
2129		-Assume we have a LG02 working in the frequency 868400000 now , below is the step.
	2087	+Assume you have an LG02 working on the frequency 868400000. Below are the steps.
2130	2130
2131	2131
2132	2132	)))
...	...	@@ -2133,7 +2133,7 @@
2133	2133	)))
2134	2134
2135	2135	(((
2136		-(% style="color:blue" %)**Step1**(%%):  Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
	2094	+(% style="color:#0000ff" %)**Step 1**(%%):  Log in to The Things Stack SANDBOX, create an ABP device in the application, and input the Network Session key (NwkSKey), App session key (AppSKey) of the device.
2137	2137
2138	2138
2139	2139	)))
...	...	@@ -2190,7 +2190,7 @@
2190	2190	Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/]]
2191	2191
2192	2192
2193		-== 6.5 Can I see counting event in Serial? ==
	2151	+== 6.5 Can I see the counting event in Serial? ==
2194	2194
2195	2195
2196	2196	(((
...	...	@@ -2197,10 +2197,10 @@
2197	2197	User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn't support AT+DEBUG. User can update to latest firmware first.
2198	2198
2199	2199
2200		-== 6.6 Can i use point to point communication for LT-22222-L? ==
	2158	+== 6.6 Can I use point-to-point communication with LT-22222-L? ==
2201	2201
2202	2202
2203		-Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
	2161	+Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]. this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
2204	2204
2205	2205
2206	2206	)))

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