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92	92	* Automatic RF Sense and CAD with ultra-fast AFC.
93	93	* Packet engine up to 256 bytes with CRC
94	94
95		-
96		-
97	97	== 1.3 Features ==
98	98
99	99	* LoRaWAN Class A & Class C protocol (default Class C)
...	...	@@ -105,8 +105,6 @@
105	105	* Support Modbus protocol
106	106	* Support Interrupt uplink (Since hardware version v1.2)
107	107
108		-
109		-
110	110	== 1.4 Applications ==
111	111
112	112	* Smart Buildings & Home Automation
...	...	@@ -116,8 +116,6 @@
116	116	* Smart Cities
117	117	* Smart Factory
118	118
119		-
120		-
121	121	== 1.5 Firmware Change log ==
122	122
123	123	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
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316	316	)))
317	317
318	318
319		-
320	320	=== 3.3.2 Configure sensors ===
321	321
322	322	(((
...	...	@@ -328,21 +328,14 @@
328	328	(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
329	329	|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
330	330	|AT+CFGDEV|(% style="width:110px" %)(((
331		-(((
332	332	This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
333		-)))
334	334
335		-(((
336	336	AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
337		-)))
338	338
339		-(((
340	340	mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
341		-)))
342	342	)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
343	343
344	344
345		-
346	346	=== 3.3.3 Configure read commands for each sampling ===
347	347
348	348	(((
...	...	@@ -1200,14 +1200,13 @@
1200	1200	== 3.7 Buttons ==
1201	1201
1202	1202
1203		-(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1204		-|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
1205		-|(% style="width:50px" %)**ACT**|(% style="width:361px" %)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**
1206		-|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1207		-|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
	1189	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:400px" %)
	1190	+|=(% style="width: 50px;" %)**Button**|=(% style="width: 350px;" %)**Feature**
	1191	+|(% style="width:50px" %)**ACT**|(% style="width:350px" %)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**
	1192	+|(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485
	1193	+|(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1208	1208
1209	1209
1210		-
1211	1211	== 3.8 LEDs ==
1212	1212
1213	1213
...	...	@@ -1268,9 +1268,7 @@
1268	1268	)))
1269	1269
1270	1270
1271		-(((
1272	1272	If device already joined network:
1273		-)))
1274	1274
1275	1275	(% class="box infomessage" %)
1276	1276	(((
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1309	1309
1310	1310	(% style="color:red" %)**Note:**
1311	1311
1312		-(((
1313	1313	(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1314	1314	2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1315	1315	3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1316	1316	4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1317		-)))
1318	1318
1319	1319	[[image:1654162478620-421.png]]
1320	1320
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1343	1343
1344	1344	[[image:1654162535040-878.png]]
1345	1345
1346		-(((
1347	1347	**Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1348		-)))
1349	1349
1350		-(((
1351	1351	**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1352		-)))
1353	1353
1354		-(((
1355	1355	**Step3: **Open flashloader; choose the correct COM port to update.
1356		-)))
1357	1357
1358	1358	(((
1359	1359	(((
1360		-(((
1361	1361	(% style="color:blue" %) Hold down the PRO button and then momentarily press the RST reset button and the SYS led will change from OFF to ON, While SYS LED is RED ON, it means the RS485-LN is ready to be program.
1362	1362	)))
1363	1363	)))
1364		-)))
1365	1365
1366	1366
1367	1367	[[image:image-20220602175818-12.png]]