How to collect Sierra LTE module status for trouble-shooting

Purpose:

It lists Sierra LTE AT command for customer reference, 

Target Audience:

For Advantech TSE, RBU AE, outsourcing service engineer(s) and End customer with the following knowledges  :

• Linux troubleshooting experience

Content:

 When customer doesn’t success initial Sierra LTE module to link mobile network, please suggest customer key-in following command to collect Sierra LTE module information, and E-mail this information to Advantech.

LTE module trouble-shooting command:

1. When user needs to collect Sierra LTE module information, please stop/logout LTE application (ex: wvdial & modem_manager)
2. Please use console utility (ex:minicom), set Serial Device as “/dev/ttyUSB2”, key-in following AT command and capture feedback information, an E-mail this information to Advantech.

Item	AT command
1. Display Product Identification Information	ATI
2. PIN Authentication	AT+CPIN?
3. Report frequency bands / queries current selection	AT!BAND?
4. Display LTE module F/W version	AT!IMPREF?
5. Display LTE IMSI(SIM info)	AT+CIMI
6. Display LTE IMSI(LTE module code info)	AT+CGSN
7. Display SIM slot,only for FWA-1012VCR	at!uims?
8. Display operational status	AT!GSTATUS?
9. Display Operator Names	AT+COPS=?

3. If customer OS doesn’t have console utility (ex:minicom), please download “LTE_info_collect.sh” script and key-in following command to create a log file, and E-mail log file to Advantech

# ./LTE_info_collect.sh &> test.log

PS:  it needs more time to collect “Display Operator Names” , if last item is report error from LTE log file, please execute following command ,capture & E-mail feedback information to Advantech

# chat -V -s -t 1 '' 'AT+COPS=? ' 'OK' '' > /dev/ttyUSB2 < /dev/ttyUSB2; echo