Specifications

Product Technical Specification & Customer Design Guidelines
76 Proprietary and Confidential - Contents subject to change 2400089
7. Display the firmware version:
· AT!GVER
8. Test the LED — Set the LED in blinking mode using this command, then
visually verify that the LED turns off and on:
· AT!LEDCTRL
9. Unlock the extended AT command set:
· AT!ENTERCND
10. Put the module in diagnostic / factory test mode:
· AT!DAFTMACT
11. Communicate with the SIM using +CPIN or +CIMI.
When performing RF tests, use a test platform as described in Suggested
testing equipment on page 83.
12. Test RF transmission, if desired:
· (UMTS) See UMTS RF transmission path test on page 77.
· (LTE) To test the LTE transmission path, use a call box.
13. Test RF reception, if desired:
· (UMTS) See UMTS RF receive path test on page 79.
· (LTE) See LTE RF receive path test on page 81.
14. Test standalone GPS functionality — See GPS standalone connector test on
page 82.
15. Drive W_DISABLE_N low and confirm that the module powers down:
· Windows systems — The Sierra Wireless items under the Ports (COM &
LPT) entry in Device Manager disappear as the module powers off.
· Linux systems — Enter the command ls / dev / tty / USB*. The devices
enumerated in
Step 5 will not appear after the module powers off.
Downloading and configuring minicom for Linux systems
Note: This procedure is for Ubuntu systems. If you are using a different Linux distribution,
use the appropriate commands for your system to download minicom.
To download and configure minicom in a Ubuntu system:
Note: To install minicom,
you must have root
access, or be included in
the sudoers list.
1. Download and install minicom — enter the following command:
sudo apt-get install minicom
2. When prompted, enter your user password to begin the download and instal-
lation. When minicom is installed, the shell prompt appears.
3. Configure minicom to communicate with your modem:
a. Start minicom with the following command:
minicom -s
4. Use the down-arrow key to select the Serial port setup option.
5. Refer to Step 5 on page 74 to identify the device file handle ( / dev / ttyUSBn)
used for AT commands.
6. Indicate the file handle to use for AT commands — Enter A and then replace
the serial device string with the AT file handle (for example,
/ dev / ttyUSB4 as
shown in the example in
Step 5 on page 74).