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1		-XWiki.Kilight
	1	+XWiki.Xiaoling

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20	20
21	21	= 2. How to Debug if Cellular connection fail =
22	22
23		-If there is a problem with cellular connection. Please check the below points:
	23	+If there is a problem for cellular connection. Please check the below points:
24	24
25		-== 2.1 Do you order the model with a cellular option ==
	25	+== 2.1 Do you order the model with cellular option ==
26	26
27		-Make sure you order the model with the cellular option. Can check by command or via the Web UI.
	27	+Make sure you order the model with the cellular option. Can check by command:
28	28
29	29	(% class="box" %)
30	30	(((
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34	34	Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
35	35	)))
36	36
37		-(% class="wikigeneratedid" %)
38		-[[image:image-20220525140054-1.png||height="153" width="607"]]
39		-
40	40	== 2.2 Do you input the SIM card correctly ==
41	41
42		-Below command can check if you have a SIM card inserted, or via Web UI
	39	+Below command can check:
43	43
44		-* Make sure to Power Off when you insert the SIM card and power on the device. The device doesn't support auto-detect SIM card on power on
45		-* Make sure you have the correct direction to insert the SIM card. Every device has an example photo in the manual for the direction.
46		-
47	47	(% class="box" %)
48	48	(((
49		-root@dragino-1dadd8:~~# comgt -d /dev/ttyUSB3
	43	+root@dragino-1bbd90:~~# comgt -d /dev/ttyUSB3
50	50	SIM ready
51	51	Waiting for Registration..(120 sec max)
52		-Registered on Home network: "CHN-UNICOM",7
53		-Signal Quality: 10,99
	46	+Registered on Home network: "CHN-CT",7
	47	+Signal Quality: 23,99
54	54	)))
55	55
56		-(% class="wikigeneratedid" %)
57		-When the IP address is displayed and the Internet displays "OK", it works properly.
58		-
59		-(% class="wikigeneratedid" %)
60		-[[image:image-20220525141016-3.png||height="524" width="502"]]
61		-
62	62	== 2.3 Check dialing info ==
63	63
64	64	run "logread -f" in console
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185	185	(% class="box infomessage" %)
186	186	(((
187	187	(((
188		- AT+GSN
	176	+AT+GSN
189	189	)))
190	190	)))
191	191
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199	199
200	200	(% style="color:red" %)**Prerequisite: Requires a USB 4G Dongle and a supported gateway firmware**
201	201
202		-(((
203	203	This introduces a setup and configured gateway for using a USB 3g/UMTS-modem for WAN connection.
204		-)))
205	205
206		-(((
207	207	Many mode (and most **LTE**) usb modems provide **qmi**, **mbim**, **ncm**, **rndis** protocol for connection instead of legacy **ppp** protocol, they are faster and better, overall recommended. For more information: [[https:~~/~~/openwrt.org/docs/guide-user/network/wan/wwan/3gdongle>>url:https://openwrt.org/docs/guide-user/network/wan/wwan/3gdongle]]
208		-)))
209	209
210		-(((
211	211	This is not beginner-friendly due to too many protocols.
212		-)))
213	213
	196	+
214	214	== 5.2 How to use the USB-Dongle at the gateway ==
215	215
216	216	Most of the products can be used on the gateway, but because their protocols are different, they are not used in the same way.
217	217
218		-(((
219	219	For example, the Huawei-E3372/E8372 is using Hilink mode or NCM mode.
220		-)))
221	221
222	222	(% class="box" %)
223	223	(((
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226	226	The version numbers starting with 21 is NCM mode
227	227	The version numbers starting with 22 is Hilink mode
228	228	The E8372 only have Hilink mode
229		-**~ **(% style="color:red" %)**Note：The e3372 in the vast majority of cases is Hilink mode**
	210	+ (% style="color:red" %)Note：The e3372 in the vast majority of cases is Hilink mode
230	230	)))
231	231
232	232	== 5.3 Hilink mode ==
233	233
234		-Gateway upgrade to the specified firmware:[[Hilink.mode~~-~~-build-v5.4.1625627505>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LG308-LG301/Firmware/USB-Dongle_firmware/Hilink.mode--build-v5.4.1625627505-20210707-1113/]]
	215	+Gateway upgrade to the specified firmware:
235	235
	217	+[[Hilink.mode~~-~~-build-v5.4.1625627505>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LG308-LG301/Firmware/USB-Dongle_firmware/Hilink.mode--build-v5.4.1625627505-20210707-1113/]]
	218	+
236	236	=== 5.3.1 1.Plugs into the device ===
237	237
238		-(((
239	239	USB-Dongle plugs into the gateway USB port
240		-)))
241	241
242		-(((
243	243	Check the USB module via comman (% style="color:#037691" %)**lsusb**
244		-)))
245	245
246		-(((
247	247	(% style="color:red" %)**Note : User neet to do that connect gateway command line via ssh.**
248		-)))
249	249
250	250	[[image:https://wiki.dragino.com/images/2/25/Usb-4g.png||height="63" width="554"]]
251	251

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