User Manual

Iridium Communications, Inc. Information Contained in this Guide
Iridium 9523 Product Developers’ Guide is Subject to Change Without Notice
Revision 2.6
Iridium Communications, Inc. Distribution of Guide Restricted
Proprietary & Confidential Information Page 96 of 115 to Product Developers
Only
254 CM Internal Error
255 RL Timeout
Values up to 127 are defined by GSM for SMS-PP Relay Layer messages and values 128 and above are
internal codes introduced by Iridium.
5.7.123 +GPSSTA – Configure GPS status
This command enables and disables the GPS receiver when the module is idle. When the module is in a
call, then the GPS receiver is disabled to avoid interference between the module’s Iridium band
transmitter and the GPS band receiver.
Note: the GPS receiver (and associated circuitry) is optional and is not fitted to some revisions of the
Iridium 9523 transceiver board. In this case all forms of the +GPSSTA command will return an error.
Exec Command: +GPSSTA=<mode>
where:
<mode>:
0 disable GPS receiver
1 enable GPS receiver
Query Command: +GPSSTA?
This command returns the current GPS receiver state. 1 = enabled, 0 = disabled.
Test Command: +GPSSTA=?
Test command returns a list of valid values. Response is in the form:
+GPSSTA: list of supported modes