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1		-XWiki.pradeeka
	1	+XWiki.ting

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19	19
20	20	= 1.Introduction =
21	21
22		-== 1.1 What is the LT-22222-L I/O Controller? ==
	22	+== 1.1 What is LT Series I/O Controller ==
23	23
24	24	(((
25		-(((
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.
	25	+
27	27
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.
	27	+(((
	28	+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.
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32	32	(((
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.
	33	+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.
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36		-> The LT Series I/O Controllers are designed for easy, low-cost installation on LoRaWAN networks.
	36	+(((
	37	+The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
	38	+)))
37	37
38	38	(((
39		-You can connect the LT-22222-L I/O Controller to a LoRaWAN network service provider in several ways:
	41	+The use environment includes:
	42	+)))
40	40
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	+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.
	46	+)))
44	44
45		-> You can use the Dragino LG308 gateway to expand or create LoRaWAN coverage in your area.
	48	+(((
	49	+2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
	50	+
	51	+
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128	128	* 1 x Counting Port
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130	130
131		-= 2. Assembling the Device =
	137	+= 2. Power ON Device =
132	132
133		-== 2.1 What is included in the package? ==
	139	+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.
134	134
135		-The package includes the following items:
	141	+PWR will on when device is properly powered.
136	136
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
141		-
142		-Attach the LoRaWAN antenna to the connector labeled **ANT** (located on the top right side of the device, next to the upper terminal block). Secure the antenna by tightening it clockwise.
143		-
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" %)
162		-|(% style="width:296px" %)RO1-1|(% style="width:334px" %)
163		-|(% style="width:296px" %)RO2-2|(% style="width:334px" %)
164		-|(% style="width:296px" %)RO2-1|(% style="width:334px" %)
165		-|(% style="width:296px" %)DI2+|(% style="width:334px" %)
166		-|(% style="width:296px" %)DI2-|(% style="width:334px" %)
167		-|(% style="width:296px" %)DI1+|(% style="width:334px" %)
168		-|(% style="width:296px" %)DI1-|(% style="width:334px" %)
169		-|(% style="width:296px" %)DO2|(% style="width:334px" %)
170		-|(% style="width:296px" %)DO1|(% style="width:334px" %)
171		-
172		-== 2.3 Powering ==
173		-
174		-(% style="line-height:1.38" %)
175		-(% 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" %)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 screw terminal and the negative wire to the GND screw terminal. (% 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" %)The power indicator (PWR) LED will turn on when the device is properly powered.
176		-
177		-
178	178	[[image:1653297104069-180.png]]
179	179
180	180
181	181	= 3. Operation Mode =
182	182
183		-== 3.1 How does it work? ==
	148	+== 3.1 How it works? ==
184	184
185		-(((
186		-The LT-22222-L is configured to operate in LoRaWAN Class C mode by default. It supports OTAA (Over-the-Air Activation), which is 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.
187	187
188		-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.
	151	+(((
	152	+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.
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191	191	(((
192		-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.
	156	+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.
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195	195
196		-== 3.2 Joining the LoRaWAN network server ==
	160	+== 3.2 Example to join LoRaWAN network ==
197	197
	162	+
198	198	(((
199		-The diagram below shows how the LT-22222-L connects to a typical LoRaWAN network.
	164	+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.
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