background image

CLM920_AC3 Module Linux Integration User Manual

Shanghai Yuge Information Technology Co., Ltd.

- 9 -

#chat script for LTE.
TIMEOUT 15
ABORT "DELAYED"
ABORT "BUSY"
ABORT "ERROR"
ABORT "NO DIALTONE"
ABORT "NO CARRIER"
"" AT
OK ATE0
OK ATD*99#
CONNECT

After the two scripts are written, execute

pppd

call

lte&

, dial-up

4) Test connection Internet

Test whether the Internet is connected, use the following command

# ping 115.239.210.27

Test if you

ping

the IP address of

baidu

.

If the IP address can be

ping

and the

ping

domain name is unreachable, the following

command

# ping www.baidu.com

Then you need to add

DNS (114.114.114.114)

to

/etc/resolv.conf

5) Disconnect from the Internet

a. Call the end script we provided ppp-off
b. Use instruction

# killall pppd

Содержание CLM920_AC3

Страница 1: ...CLM920_AC3 Module Linux Integration User Manual Number of pages 13 Version V1 0 Date 2019 3 15 CLM920_AC3 Module Linux Integration User Manual V1 0 Shanghai Yuge Information Technology Co Ltd All rig...

Страница 2: ...evice drivers 4 Chapter 2 Interactive AT process under Linux system 6 Chapter 3 Dial up Internet Process under Linux System 8 Chapter 4 Linux system loading Yuge module RNDIS dialing instructions 10 4...

Страница 3: ...CLM920_AC3 Module Linux Integration User Manual Shanghai Yuge Information Technology Co Ltd 3 Revise history Version Date Author Description V1 0 2019 03 13 Document group Initial version...

Страница 4: ...rter support Select the following components USB driver for GSM and CDMA modems Save configuration when selected 1 2 Add device drivers Use lsusb to view the usb device and confirm the discovery devic...

Страница 5: ...nghai Yuge Information Technology Co Ltd 5 Add array elements After the modification is complete recompile the kernel After the compilation is complete you can check the USB serial port loading status...

Страница 6: ...command minicom s In the minicom menu select Serial port setup configure Serial device to be dev ttyUSB1 AT ttyUSB1 in the serial port of the module Modem ttyUSB2 can send AT commands others cannot s...

Страница 7: ...the following information CPIN READY Enter the following command to query the signal AT CSQ Will get the following signal strength and bit error rate information CSQ 24 0 Enter the following command...

Страница 8: ...does not have pppd install kppp with the pppd application pppd 2 4 3 pppd 2 4 5 recommended 3 There are two ways to dial up the Internet a Directly use the dialing script we provided yuga lte pppd the...

Страница 9: ...execute pppd call lte dial up 4 Test connection Internet Test whether the Internet is connected use the following command ping 115 239 210 27 Test if you ping the IP address of baidu If the IP addres...

Страница 10: ...uge module RNDIS dialing instructions 4 1 Load RNDIS driver To use RNDIS you need to install the driver rndis_host ko The general distribution has been compiled and can be run directly If the embedded...

Страница 11: ...obtains IP If the module obtains IP after 2 minutes of USB access the rndis network card cannot obtain IP When the rndis network card does not get IP it can be solved by reconnecting the USB When the...

Страница 12: ...ork the default is automatically dial up Internet access and the following commands are used to dial RNDIS and query the connection AT RNDISCALL 1 Initiate RNDIS dialing AT RNDISCALL query RNDISCALL 1...

Страница 13: ...Technology Co Ltd 13 Chapter 5 Linux System FAQ 5 1 Q How do I manually send AT commands via echo cat under Linux A In order to send the command AT to ttyUSB2 as an example you can operate by the fol...

Отзывы: