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1184	1184	== 3.7 Buttons ==
1185	1185
1186	1186
1187		-(% border="1" cellspacing="10" style="background-color:#f7faff; width:500px" %)
	1187	+(% border="1" style="background-color:#f7faff; width:500px" %)
1188	1188	|=**Button**|=(% style="width: 1420px;" %)**Feature**
1189	1189	|**ACT**|(% style="width:1420px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink**
1190	1190	|**RST**|(% style="width:1420px" %)Reboot RS485
1191	1191	|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1192	1192
1193		-
1194		-
1195	1195	== 3.8 LEDs ==
1196	1196
1197		-(% border="1" cellspacing="10" style="background-color:#f7faff; width:500px" %)
	1195	+(% border="1" style="background-color:#f7faff; width:500px" %)
1198	1198	|=**LEDs**|=**Feature**
1199	1199	|**PWR**|Always on if there is power
1200	1200	|**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN** (%%)for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds**(%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message.
1201	1201
1202		-
1203		-
1204	1204	= 4. Case Study =
1205	1205
1206	1206	User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]]
...	...	@@ -1210,26 +1210,19 @@
1210	1210
1211	1211	== 5.1 Access AT Command ==
1212	1212
1213		-(((
1214	1214	RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
1215		-)))
1216	1216
1217	1217	[[image:1654162355560-817.png]]
1218	1218
1219	1219
1220		-(((
1221	1221	In PC, User needs to set (% style="color:blue" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
1222		-)))
1223	1223
1224	1224	[[image:1654162368066-342.png]]
1225	1225
1226	1226
1227		-(((
1228	1228	More detail AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1229		-)))
1230	1230
1231	1231
1232		-
1233	1233	== 5.2 Common AT Command Sequence ==
1234	1234
1235	1235	=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===