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108	108	)))
109	109	)))
110	110
111		-= 2. Power ON Device =
	111	+= 2. Pin mapping and Power ON Device =
112	112
113	113	(((
114		-The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
	114	+The RS485-BL is powered on by 8500mAh battery. To save battery life, RS485-BL is shipped with power off. User can put the jumper to power on RS485-BL.
	115	+)))
115	115
116		-* Power Source VIN to RS485-LN VIN+
117		-* Power Source GND to RS485-LN VIN-
	117	+[[image:1652953055962-143.png||height="387" width="728"]]
118	118
119		-(((
120		-Once there is power, the RS485-LN will be on.
121		-)))
122	122
123		-[[image:1653268091319-405.png]]
124		-)))
	120	+The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
125	125
126	126	= 3. Operation Mode =
127	127
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128	128	== 3.1 How it works? ==
129	129
130	130	(((
131		-The RS485-LN 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 RS485-LN. It will auto join the network via OTAA.
	127	+The RS485-BL is configured as LoRaWAN OTAA Class A 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 RS485-BL. It will auto join the network via OTAA.
132	132	)))
133	133
134	134	== 3.2 Example to join LoRaWAN network ==
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135	135
136	136	Here shows an example for how to join the TTN V3 Network. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here.
137	137
138		-[[image:1653268155545-638.png||height="334" width="724"]]
	134	+[[image:1652953414711-647.png||height="337" width="723"]]
139	139
140	140	(((
141	141	The RS485-BL in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method.

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