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...	...	@@ -997,9 +997,13 @@
997	997	[[image:1654160691922-496.png]]
998	998
999	999
1000		-* **Downlink Payload:**
	1000	+* (((
	1001	+**Downlink Payload:**
	1002	+)))
1001	1001
	1004	+(((
1002	1002	**0x09 aa bb** same as AT+CMDEAR=aa,bb
	1006	+)))
1003	1003
1004	1004
1005	1005
...	...	@@ -1006,103 +1006,197 @@
1006	1006
1007	1007	==== **Set Serial Communication Parameters** ====
1008	1008
	1013	+(((
1009	1009	Set the Rs485 serial communication parameters:
	1015	+)))
1010	1010
1011		-* **AT Command:**
	1017	+* (((
	1018	+**AT Command:**
	1019	+)))
1012	1012
	1021	+(((
1013	1013	Set Baud Rate:
	1023	+)))
1014	1014
1015	1015	(% class="box infomessage" %)
1016	1016	(((
	1027	+(((
1017	1017	**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1018	1018	)))
	1030	+)))
1019	1019
	1032	+(((
1020	1020	Set UART Parity
	1034	+)))
1021	1021
1022	1022	(% class="box infomessage" %)
1023	1023	(((
	1038	+(((
1024	1024	**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1025	1025	)))
	1041	+)))
1026	1026
	1043	+(((
1027	1027	Set STOPBIT
	1045	+)))
1028	1028
1029	1029	(% class="box infomessage" %)
1030	1030	(((
	1049	+(((
1031	1031	**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1032	1032	)))
	1052	+)))
1033	1033
	1054	+(((
	1055	+
	1056	+)))
1034	1034
1035		-* **Downlink Payload:**
	1058	+* (((
	1059	+**Downlink Payload:**
	1060	+)))
1036	1036
	1062	+(((
1037	1037	**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
	1064	+)))
1038	1038
	1066	+(((
1039	1039	**Example:**
	1068	+)))
1040	1040
1041		-* A7 01 00 60   same as AT+BAUDR=9600
1042		-* A7 01 04 80  same as AT+BAUDR=115200
	1070	+* (((
	1071	+A7 01 00 60   same as AT+BAUDR=9600
	1072	+)))
	1073	+* (((
	1074	+A7 01 04 80  same as AT+BAUDR=115200
	1075	+)))
1043	1043
	1077	+(((
1044	1044	A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1079	+)))
1045	1045
	1081	+(((
1046	1046	A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1083	+)))
1047	1047
1048	1048
	1086	+
	1087	+
1049	1049	== 3.6 Listening mode for RS485 network ==
1050	1050
	1090	+(((
1051	1051	This feature support since firmware v1.4
	1092	+)))
1052	1052
	1094	+(((
1053	1053	RS485-LN supports listening mode, it can listen the RS485 network packets and send them via LoRaWAN uplink. Below is the structure. The blue arrow shows the RS485 network packets to RS485-LN.
	1096	+)))
1054	1054
1055	1055	[[image:image-20220602171200-8.png||height="567" width="1007"]]
1056	1056
	1100	+(((
1057	1057	To enable the listening mode, use can run the command AT+RXMODE.
	1102	+)))
1058	1058
	1104	+(((
	1105	+
	1106	+)))
1059	1059
1060		-(% border="1" style="background-color:#ffffcc; width:500px" %)
1061		-|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
1062		-|(% style="width:161px" %)AT+RXMODE=1,10 |(% style="width:337px" %)Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks.
1063		-|(% style="width:161px" %)AT+RXMODE=2,500|(% style="width:337px" %)Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms
1064		-|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
1065		-|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
	1108	+(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
	1109	+|=(% style="width: 161px;" %)(((
	1110	+**Command example:**
	1111	+)))|=(% style="width: 337px;" %)(((
	1112	+**Function**
	1113	+)))
	1114	+|(% style="width:161px" %)(((
	1115	+AT+RXMODE=1,10
	1116	+)))|(% style="width:337px" %)(((
	1117	+Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks.
	1118	+)))
	1119	+|(% style="width:161px" %)(((
	1120	+AT+RXMODE=2,500
	1121	+)))|(% style="width:337px" %)(((
	1122	+Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms
	1123	+)))
	1124	+|(% style="width:161px" %)(((
	1125	+AT+RXMODE=0,0
	1126	+)))|(% style="width:337px" %)(((
	1127	+Disable listening mode. This is the default settings.
	1128	+)))
	1129	+|(% style="width:161px" %)(((
	1130	+
	1131	+)))|(% style="width:337px" %)(((
	1132	+A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
	1133	+)))
1066	1066
	1135	+(((
1067	1067	**Downlink Command:**
	1137	+)))
1068	1068
	1139	+(((
1069	1069	**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
	1141	+)))
1070	1070
	1143	+(((
	1144	+
	1145	+)))
1071	1071
	1147	+(((
1072	1072	**Example**:
	1149	+)))
1073	1073
	1151	+(((
1074	1074	The RS485-LN is set to AT+RXMODE=2,1000
	1153	+)))
1075	1075
	1155	+(((
1076	1076	There is a two Modbus commands in the RS485 network as below:
	1157	+)))
1077	1077
	1159	+(((
1078	1078	The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
	1161	+)))
1079	1079
	1163	+(((
1080	1080	And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1165	+)))
1081	1081
	1167	+(((
1082	1082	RS485-LN will capture both and send the uplink: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b  (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1169	+)))
1083	1083
	1171	+(((
1084	1084	[[image:image-20220602171200-9.png]]
	1173	+)))
1085	1085
	1175	+(((
	1176	+
	1177	+)))
1086	1086
	1179	+(((
1087	1087	(% style="color:red" %)Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while.
	1181	+)))
1088	1088
1089	1089
1090	1090	== 3.7 Buttons ==
1091	1091
1092	1092
1093		-(% border="1" style="background-color:#f7faff; width:500px" %)
	1187	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:500px" %)
1094	1094	|=**Button**|=(% style="width: 1420px;" %)**Feature**
1095	1095	|**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**
1096	1096	|**RST**|(% style="width:1420px" %)Reboot RS485
1097	1097	|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1098	1098
	1193	+
	1194	+
1099	1099	== 3.8 LEDs ==
1100	1100
1101		-(% border="1" style="background-color:#f7faff; width:500px" %)
	1197	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:500px" %)
1102	1102	|=**LEDs**|=**Feature**
1103	1103	|**PWR**|Always on if there is power
1104	1104	|**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.
1105	1105
	1202	+
	1203	+
1106	1106	= 4. Case Study =
1107	1107
1108	1108	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]]
...	...	@@ -1112,17 +1112,23 @@
1112	1112
1113	1113	== 5.1 Access AT Command ==
1114	1114
	1213	+(((
1115	1115	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	+)))
1116	1116
1117	1117	[[image:1654162355560-817.png]]
1118	1118
1119	1119
	1220	+(((
1120	1120	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	+)))
1121	1121
1122	1122	[[image:1654162368066-342.png]]
1123	1123
1124	1124
	1227	+(((
1125	1125	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	+)))
1126	1126
1127	1127
1128	1128	== 5.2 Common AT Command Sequence ==