Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Saxer Lin on 2025/04/15 17:24
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... ... @@ -1169,59 +1169,24 @@ 1169 1169 1170 1170 === 3.6.5 Relay Output === 1171 1171 1172 +((( 1172 1172 The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below: 1174 +))) 1173 1173 1174 1174 1175 1175 [[image:image-20220524100215-9.png]] 1176 1176 1177 - 1178 1178 [[image:image-20220524100215-10.png||height="382" width="723"]] 1179 1179 1180 1180 1182 +== 3.7 LEDs Indicators == 1181 1181 1184 +[[image:image-20220524100748-11.png]] 1182 1182 1186 += 4. Use AT Command = 1183 1183 1188 +== 4.1 Access AT Command == 1184 1184 1185 -1. 1186 -11. LEDs Indicators 1187 - 1188 -(% border="1" style="background-color:#f7faff" %) 1189 -|**LEDs**|**Feature** 1190 -|**PWR**|Always on if there is power 1191 -|**SYS**|After device is powered on, the SYS will **fast blink in GREEN** for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be **on GREEN for 5 seconds. **SYS will **blink Blue** on every upload and **blink Green** once receive a downlink message. 1192 -|**TX**|((( 1193 -Device boot: TX blinks 5 times. 1194 - 1195 -Successful join network: TX ON for 5 seconds. 1196 - 1197 -Transmit a LoRa packet: TX blinks once 1198 -))) 1199 -|**RX**|RX blinks once when receive a packet. 1200 -|**DO1**| 1201 -|**DO2**| 1202 -|**DO3**| 1203 -|**DI2**|((( 1204 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low 1205 - 1206 -For LT-33222-L: ON when DI2 is low, LOW when DI2 is high 1207 -))) 1208 -|**DI2**|((( 1209 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low 1210 - 1211 -For LT-33222-L: ON when DI2 is low, LOW when DI2 is high 1212 -))) 1213 -|**DI3**|For LT-33222-L ONLY: ON when DI3 is low, LOW when DI3 is high 1214 -|**DI2**|((( 1215 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low 1216 - 1217 -For LT-33222-L: ON when DI2 is low, LOW when DI2 is high 1218 -))) 1219 -|**RO1**| 1220 -|**RO2**| 1221 - 1222 -1. Use AT Command 1223 -11. Access AT Command 1224 - 1225 1225 LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below. 1226 1226 1227 1227 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]