How to set & read FWA-1012VC SIM slot setting

Attention please

It needs to power off system(power switch sets as off) before SIM card inserted/changed.

Description:

The front panel of FWA-1012VCR (included Serria EM 7455 LTE module) has 2 SIM slot, user may use “AT” command to read & switch SIM slot setting in Linux minicom utility, or using attached script file:  “fwa1012_SIM_slot_swicth.sh” to read & switch SIM slot

Read & Switch FWA-1012 SIM slot command:

1. Customer needs to load Serria EM7455 LTE module driver first, and stop LTE application utility (ex: Wvdial or Sierra SDK)

2. Please use console utility (ex: minicom) to link Serria EM7455 LTE module, the default connection port of Serria EM7455 LTE module is “/dev/ttyUSB2”

PS: when OEM FWA-1012VCR had installed 2 pcs Serria EM7455 LTE module, the first LET module connection port is “/dev/ttyUSB2”, secondary LTE connection port is  “/dev/ttyUSB5”

3. please execute Mincom to link Serria EM7455 LTE, and key-in following command
4. at!uims? //check sim card slot, 0=slot1, 1=slot2
5. at!uims=0 //switch to slot1
6. at!uims=1 // switch to slot2

4. when user executes SIM_slot switch command finish, it needs reboot system to initial SIM_slot setting

Example A: Using AT command to switch SIM slot

Switch SIM slot as slot 1

at!uims=0

OK

at!uims?

!UIMS: 0

Switch SIM slot as slot 2

at!uims=1

OK

at!uims?

!UIMS: 1

Example B: Using “fwa1012_SIM_slot_swicth.sh” script to switch SIM slot

Switch SIM slot as slot 1

# ./fwa1012_SIM_slot_swicth.sh 1

This program is setting or reading FWA-1012VC SIM slot  !

Swicth SIM slot as slot1

at!uims=0

OK

at!uims?

!UIMS: 0

Switch SIM slot as slot 2

# ./fwa1012_SIM_slot_swicth.sh 2

This program is setting or reading FWA-1012VC SIM slot  !

Swicth SIM slot as slot2

at!uims=1

OK

at!uims?

!UIMS: 1