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...	...	@@ -1142,9 +1142,14 @@
1142	1142
1143	1143	(((
1144	1144	01: Low,  00: High ,  11: No action
	1145	+
	1146	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	1147	+|Downlink Code|DO1|DO2|DO3
	1148	+|02  01  00  11|Low|High|No Action
	1149	+|02  00  11  01|High|No Action|Low
	1150	+|02  11  01  00|No Action|Low|High
1145	1145	)))
1146	1146
1147		-[[image:image-20220524092754-5.png]]
1148	1148
1149	1149	(((
1150	1150	(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
...	...	@@ -1182,19 +1182,34 @@
1182	1182
1183	1183	(% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1184	1184
1185		-[[image:image-20220524093238-6.png]]
	1190	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
	1191	+|**Second Byte**|**Status**
	1192	+|0x01|DO1 set to low
	1193	+|0x00|DO1 set to high
	1194	+|0x11|DO1 NO Action
1186	1186
1187	1187
	1197	+
1188	1188	(% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1189	1189
1190		-[[image:image-20220524093328-7.png]]
	1200	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
	1201	+|**Second Byte**|**Status**
	1202	+|0x01|DO2 set to low
	1203	+|0x00|DO2 set to high
	1204	+|0x11|DO2 NO Action
1191	1191
1192	1192
	1207	+
1193	1193	(% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1194	1194
1195		-[[image:image-20220524093351-8.png]]
	1210	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
	1211	+|**Second Byte**|**Status**
	1212	+|0x01|DO3 set to low
	1213	+|0x00|DO3 set to high
	1214	+|0x11|DO3 NO Action
1196	1196
1197	1197
	1217	+
1198	1198	(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1199	1199
1200	1200	Latching time. Unit: ms
...	...	@@ -1249,10 +1249,21 @@
1249	1249
1250	1250	(((
1251	1251	01: Close ,  00: Open , 11: No action
	1272	+
	1273	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
	1274	+|**Downlink Code**|**RO1**|**RO2**
	1275	+|03  00  11|Open|No Action
	1276	+|03  01  11|Close|No Action
	1277	+|03  11  00|No Action|Open
	1278	+|03  11  01|No Action|Close
	1279	+|03  00  00|Open|Open
	1280	+|03  01  01|Close|Close
	1281	+|03  01  00|Close|Open
	1282	+|03  00  01|Open|Close
1252	1252	)))
1253	1253
1254	1254	(((
1255		-[[image:image-20230426161322-1.png]]
	1286	+
1256	1256	)))
1257	1257
1258	1258	(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
...	...	@@ -1727,6 +1727,33 @@
1727	1727	== 3.7 LEDs Indicators ==
1728	1728
1729	1729
	1761	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	1762	+|**LEDs**|**Feature**
	1763	+|**PWR**|Always on if there is power
	1764	+|**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.
	1765	+|**TX**|(((
	1766	+Device boot: TX blinks 5 times.
	1767	+
	1768	+Successful join network: TX ON for 5 seconds.
	1769	+
	1770	+Transmit a LoRa packet: TX blinks once
	1771	+)))
	1772	+|**RX**|RX blinks once when receive a packet.
	1773	+|**DO1**|
	1774	+|**DO2**|
	1775	+|**DO3**|
	1776	+|**DI2**|(((
	1777	+For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
	1778	+)))
	1779	+|**DI2**|(((
	1780	+For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
	1781	+)))
	1782	+|**DI2**|(((
	1783	+For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
	1784	+)))
	1785	+|**RO1**|
	1786	+|**RO2**|
	1787	+
1730	1730	[[image:image-20220524100748-11.png]]
1731	1731
1732	1732