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206	206
207	207	=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
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209		-To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors. The related commands for UART settings are:
	209	+RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
210	210
	211	+**~1. RS485-MODBUS mode:**
	212	+
	213	+AT+MOD=1 ~/~/ Support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
	214	+
	215	+**2. TTL mode:**
	216	+
	217	+AT+MOD=2 ~/~/ Support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
	218	+
	219	+RS485-BL default UART settings is **9600, no parity, stop bit 1**. If the sensor has a different settings, user can change the RS485-BL setting to match.
	220	+
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212	212	|(((
213	213	**AT Commands**
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232	232	|(((
233	233	AT+PARITY
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	245	+(((
235	235	Set UART parity (for RS485 connection)
	247	+)))
	248	+
	249	+(((
	250	+Default Value is: no parity.
	251	+)))
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238	238	AT+PARITY=0
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251	251
252	252	(((
253		-
	269	+Default Value is: 1bit.
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