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206	206
207	207	=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
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209		-RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
	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:
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		-
221	221	(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
222	222	|(((
223	223	**AT Commands**
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242	242	|(((
243	243	AT+PARITY
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245		-(((
246	246	Set UART parity (for RS485 connection)
247		-)))
248		-
249		-(((
250		-Default Value is: no parity.
251		-)))
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253	253	(((
254	254	AT+PARITY=0
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266	266	)))
267	267
268	268	(((
269		-Default Value is: 1bit.
	253	+
270	270	)))
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272	272	(((