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...	...	@@ -7,11 +7,11 @@
7	7
8	8	== **1.1 ​**What is CPN01 **NB-IoT** Pulse/Contact Sensor ==
9	9
10		-The Dragino CPN01 is an (% style="color:blue" %)**NB-IoT Dry Contact Sensor**(%%). It detects open/close status and uplinks the info to IoT server via NB-IoT network. User can see the (% style="color:blue" %)**dry contact status, open time, and open counts**(%%) in the IoT Server.
	10	+The Dragino CPN01 is an (% style="color:blue" %)**NB-IoT Dry Contact Sensor**(%%). It detects open/close status and uplinks the info to IoT server via Nb-IoT network. User can see the (% style="color:blue" %)dry contact status, open time, and open counts(%%) in the IoT Server.
11	11
12		-The CPN01 will send periodically data every day as well as for each dry contact action. It also counts the contact open times and calculates the last open duration. Users can also disable the uplink for each Open/Close event, instead, device can count each open event and uplink periodically.
	12	+The CPN01 will send periodically data every day as well as for each dry contact action. It also counts the contact open times and calculates the last open duration. Users can also disable the uplink for each open/close event, instead, device can count each open event and uplink periodically.
13	13
14		-CPN01 has** (% style="color:blue" %)Open-Alarm feature(%%)**, user can set this feature so CPN01 will send an alarm if the contact has been open exceeds a certain time.
	14	+CPN01 has (% style="color:blue" %)Open-Alarm feature(%%), user can set this feature so CPN01 will send an alarm if the contact has been open exceeds a certain time.
15	15
16	16	CPN01 is designed for outdoor use. It has a weatherproof enclosure and industrial-level battery to work in low to high temperatures.
17	17
...	...	@@ -57,13 +57,12 @@
57	57
58	58	== **1.4 Installation** ==
59	59
60		-Connect CPN01 to an Open Close sensor like below. So it can detect the Open/Close event.
	60	+Connect CPL01 to an Open Close sensor like below. So it can detect the open/close event.
61	61
62	62	[[image:image-20221021110329-1.png]]
63	63
64		-[[image:image-20221022234602-2.png||height="288" width="922"]]
	64	+[[image:image-20221021110340-2.png]]
65	65
66		-
67	67	== **1.5 ​Applications** ==
68	68
69	69	* Open/Close Detection
...	...	@@ -80,32 +80,35 @@
80	80
81	81	=== **1.7.1 Pin Definition** ===
82	82
83		-CPN01 is pre-configured to connect to two external wires. The other pins are not used. If user wants to know more about other pins, please refer to the **[[LSN50v2 User Manual>>doc:Main.User Manual for LoRaWAN End Nodes.LSN50 & LSN50-V2 - LoRaWAN Sensor Node User Manual.WebHome]]**.
	82	+CPL01 is pre-configured to connect to two external wires. The other pins are not used. If user wants to know more about other pins, please refer to the user manual of LSN50v2 at: [[https:~~/~~/www.dropbox.com/sh/djkxs7mr17y94mi/AABVlWbM9uzK9OA3mXyAT10Za?dl=0>>url:https://www.dropbox.com/sh/djkxs7mr17y94mi/AABVlWbM9uzK9OA3mXyAT10Za?dl=0]]
84	84
85		-
86	86	=== **1.7.2 Jumper JP2(Power ON/OFF)** ===
87	87
	86	+
88	88	Power on Device when putting this jumper.
89	89
90	90
	90	+
91	91	=== **1.7.3 BOOT MODE / SW1** ===
92	92
93	93
94		-1) ISP: upgrade mode, device won't have any signal in this mode. but ready for upgrade firmware. LED won't work. The firmware won't run.
	94	+1) ISP: upgrade mode, device won't have any signal in this mode. but ready for upgrade firmware. LED won't work. Firmware won't run.
95	95
96		-2) Flash: working mode, the device starts to work for NB-IoT connection and sends out console output for further debugging.
	96	+2) Flash: work mode, the device starts to work and send out console output for further debug
97	97
98	98
	99	+
99	99	=== **1.7.4 Reset Button** ===
100	100
101	101
102	102	Press to reboot the device.
103	103
	105	+== ==
104	104
105	105	=== **1.7.5 LED** ===
106	106
107	107
108		-The LED will blink when :
	110	+It will flash:
109	109
110	110	1. Boot the device in flash mode
111	111	1. Send an uplink packet
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114	114
115	115	== **2.1  How it works** ==
116	116
117		-The CPN01 is equipped with an NB-IoT module, the pre-loaded firmware in CPN01 will get **Open/Close Event or Count** from sensor and send the value to the NB-IoT network. The NB-IoT network will forward this value to IoT server via the protocol defined by CPN01.
	119	+The CPN01 is equipped with a NB-IoT module, the pre-loaded firmware in CPN01 will get environment data from sensors and send the value to local NB-IoT network via the NB-IoT module.  The NB-IoT network will forward this value to IoT server via the protocol defined by CPN01.
118	118
119		-The diagram below shows the working flow in the default firmware of CPN01:
	121	+The diagram below shows the working flow in default firmware of CPN01:
120	120
121	121	[[image:image-20221021110615-5.png]]
122	122
	125	+== **2.2 ​ Configure the CPN01** ==
123	123
124		-== **2.2 ​ Configure CPN01** ==
125		-
126	126	=== **2.2.1 Test Requirement** ===
127	127
128		-To use CPN01 in your city, make sure to meet below requirements:
	129	+To use CPN01 in your city, make sure meet below requirements:
129	129
130		-* Your local operator has already distributed an NB-IoT Network.
	131	+* Your local operator has already distributed a NB-IoT Network there.
131	131	* The local NB-IoT network used the band that CPN01 supports.
132	132	* Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
133	133
134		-Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.  The CPN01 will use CoAP(120.24.4.116:5683) or raw UDP(120.24.4.116:5601) or MQTT(120.24.4.116:1883)or TCP(120.24.4.116:5600)protocol to send data to the test server.
	135	+Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.  The CPN01 will use CoAP(120.24.4.116:5683) or raw UDP(120.24.4.116:5601) or MQTT(120.24.4.116:1883)or TCP(120.24.4.116:5600)protocol to send data to the test server
135	135
136		-[[image:image-20221023000439-3.png]]
137		-
138	138	​
139	139
140	140	=== **2.2.2 Insert SIM card** ===
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141	141
142	142	Insert the NB-IoT Card get from your provider.
143	143
144		-User needs to take out the NB-IoT module and insert the SIM card like below:
	143	+User need to take out the NB-IoT module and insert the SIM card like below:
145	145
146	146	[[image:image-20221021110745-6.png]] ​
147	147
148		-
149	149	=== **2.2.3 Connect USB – TTL to CPN01 to configure it** ===
150	150
151	151	User need to configure CPN01 via serial port to set the **Server Address** / **Uplink Topic** to define where and how-to uplink packets. CPN01 support AT Commands, user can use a USB to TTL adapter to connect to CPN01 and use AT Commands to configure it, as below.
...	...	@@ -166,13 +166,10 @@
166	166	* Parity:  **None**
167	167	* Flow Control: **None**
168	168
169		-Make sure the switch is in FLASH position, then power on CPN01 by connecting the (% style="color:orange" %)**Yellow Jumper**(%%).
	167	+Make sure the switch is in FLASH position, then power on device by connecting the jumper on CPN01. CPN01 will output system info once power on as below, we can enter the **password: 12345678** to access AT Command input.
170	170
171	171	​[[image:image-20221021110817-7.png]]
172	172
173		-CPN01 will output system info once powered on as below, we can enter the **password: 12345678** to access AT Command input.
174		-
175		-
176	176	**Note: the valid AT Commands can be found at:  **[[**https:~~/~~/www.dropbox.com/sh/351dwor6joz8nwh/AADn1BQaAAxLF_QMyU8NkW47a?dl=0**>>url:https://www.dropbox.com/sh/351dwor6joz8nwh/AADn1BQaAAxLF_QMyU8NkW47a?dl=0]]
177	177
178	178	=== **2.2.4 Use CoAP protocol to uplink data** ===

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