cm
Use the Cellular Modem tool to control modem functions.
Usage
cm [SERVICES] [COMMANDS]
ADC
cm adc read channel
Read and print the value from an adc channel (where
channel
is one of the names returned).
Data
cm data cm data info
Get info on profile in use.
cm data profile <index>
Set profile in use.
cm data apn <apn>
Set apn for profile in use.
cm data pdp <pdp>
Set pdp type for profile in use.
cm data auth <none/pap/chap> <username> <password>
Set authentication for profile in use.
cm data connect <optional timeout (secs)>
Start a data connection.
cm data watch
Monitor the data connection.
To start a data connection, ensure that your profile is configured correctly. Also ensure your modem is registered to the network. To verify, use cm radio
and check Status
.
If you specify a time-out timer when starting a data connection, it will try to start a data connection until the timer expires.
When starting a data connection, currently it only uses profile 1. Any configuration set for other profiles can't be used to start a data connection through the cm tool.
Info
cm info cm info all
Print all known info.
cm info device
Print the device model.
cm info imei
Print the IMEI.
cm info firmware
Print the firmware version.
cm info bootloader
Print the bootloader version.
IPS
cm ips cm ips read
Print information about the power supply (voltage, power source, battery level).
cm ips thresholds
Print the input voltage thresholds.
Radio
cm radio cm radio status
Get modem status.
cm radio <on/off>
Enable/disable radio.
cm radio rat <CDMA | GSM/UMTS | LTE>
Set radio access technology.
cm radio rat AUTO
Resume automatic RAT selection.
After setting the radio access technology, you'll need to do a legato restart
before it's effective.
SIM
Regardless if security is enabled or not, the SIM card PIN code must be entered for every operation. The only ways to change the PIN code are through changepin
and unblock
.
cm sim cm sim status
Get sim status
cm sim info
Get sim information.
cm sim imsi
Get the sim imsi.
cm sim iccid
Get the sim iccid.
cm sim number
Get the sim phone number. Often M2M SIM cards don't know their number (will return nothing).
cm sim enterpin <pin>
Enter pin code that's required before any mobile equipment functionality can be used.
cm sim changepin <oldpin> <newpin>
Change the PIN code of the SIM card.
cm sim lock <pin>
Lock SIM: enables SIM card security, will request for a PIN code when inserted.
cm sim unlock <pin>
Unlock SIM: disables SIM card security, won't request a PIN code when inserted (unsafe).
cm sim unblock <puk> <newpin>
Unblocks the SIM card. The SIM card is blocked after X unsuccessful attempts to enter the PIN.
cm sim storepin <pin>
Stores PIN. Whether security is enabled or not, the SIM card has a PIN code that must be entered for every operation. You can change the PIN code through
changepin
andunblock
.
cm sim select <EMBEDDED | EXTERNAL_SLOT_1 | EXTERNAL_SLOT_2 | REMOTE>
Select the SIM type.
Whether security is enabled or not, the SIM card has a PIN code that must be entered for every operations. Only ways to change this PIN code are through 'changepin' and 'unblock' operations.
SMS
cm sms monitor
Monitor incoming SMS.
cm sms send <number> <content>
Send a text SMS.
cm sms sendbin <number> <file> <optional max sms>
Send a binary SMS
Options:
- <number>: Destination number
- <content>: Content as text supported by GSM 03.38 alphabet
- <file>: File path OR - for standard input (stdin)
- <optional max="" sms>="">: (Optional) Limit for the number of SMS the file is split in
cm sms list
List all stored SMS
cm sms get <idx>
Get specific stored SMS.
cm sms clear
Clear stored SMS.
cm sms count
Count stored SMS.
Temperature
cm temp cm temp all
Print all known temperatures.
cm temp thresholds
Print all thresholds.
cm temp radio
Print the radio temperature.
cm temp platform
Print the platform temperature.
Copyright (C) Sierra Wireless Inc.