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Author

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1		-XWiki.Edwin
	1	+XWiki.Xiaoling

Content

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64	64	)))
65	65
66	66	* (((
67		-STM32L072xxxx MCU
	67	+STM32L072CZT6 MCU
68	68	)))
69	69	* (((
70	70	SX1276/78 Wireless Chip
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307	307	* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
308	308	* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
309	309
	310	+
310	310	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
311	311
312	312
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363	363	** DO1 is high in case there is load between DO1 and V+.
364	364	** DO1 LED is off in both case
365	365
	367	+
366	366	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
367	367
368	368
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1245	1245
1246	1246
1247	1247
1248		-==== 3.4.2.20 Reset save RO DO state ====
	1250	+==== 3.4.2.20 Reset save DR DO state ====
1249	1249
1250	1250
1251	1251	* (% style="color:#037691" %)**AT Command:**
1252	1252
1253		-(% style="color:blue" %)**AT+RODORESET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
	1255	+(% style="color:blue" %)**AT+RODORET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1254	1254
1255		-(% style="color:blue" %)**AT+RODORESET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
	1257	+(% style="color:blue" %)**AT+RODORET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1256	1256
1257	1257
1258	1258	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
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1538	1538	=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1539	1539
1540	1540
1541		-**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
	1543	+NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1542	1542
1543		-Note: DO pins go to float when device is power off.
1544		-
1545	1545	[[image:1653357531600-905.png]]
1546	1546
1547	1547
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1582	1582
1583	1583
1584	1584	(((
1585		-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:
1586		-
1587		-**Note**: RO pins go to Open(NO) when device is power off.
	1585	+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:
1588	1588	)))
1589	1589
1590	1590	[[image:image-20220524100215-9.png]]
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2098	2098	== 5.5 Can i use point to point communication for LT-22222-L? ==
2099	2099
2100	2100
2101		-Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
	2099	+Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
2102	2102
2103	2103
2104	2104
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2127	2127	[[image:image-20221006170630-1.png||height="610" width="945"]]
2128	2128
2129	2129
2130		-== 5.8 Can LT22222-L save RO state? ==
	2128	+== 5.8 Can LT22222 save RO state? ==
2131	2131
2132		-
2133	2133	Firmware version needs to be no less than 1.6.0.
2134	2134
2135	2135
2136		-
2137	2137	= 6. Trouble Shooting =
2138	2138
2139	2139
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2213	2213	* Package Size / pcs : 14.5 x 8 x 5 cm
2214	2214	* Weight / pcs : 170g
2215	2215
	2212	+
	2213	+
2216	2216	= 9. Support =
2217	2217
2218	2218
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2223	2223	Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2224	2224
2225	2225
	2224	+
2226	2226
2227	2227	)))
2228	2228