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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
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 RF receive path test on page 81
.
14.
Test standalone GPS functionality — See
GPS standalone connector test on
.
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
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
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