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Iridium Satellite LLC
9601 SBD Transceiver Preliminary Product Developers Guide Appendix A –AT Command Reference
V1.24 120505
Unknown
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The registration status is stored in Transceiver non-volatile memory, and can therefore
be queried by the FA after powering up.
2.39 +SBDAREG –Short Burst Data: Automatic Registration (new)
Set Command:
+SBDAREG=<mode>
Set the Transceiver' s A u t o -registration mode.
:
<mode>
Disable automatic registration (default)
0
Set the Auto-r e g i s t r a t i o n mo d e t o " A u t o ma t i c "
1
Set the Auto-r e g i s t r a t i o n mo d e t o " A s k "
2
When auto-registration is enabled, mode 1 or 2, the Transceiver monitors its current
location and triggers an auto-registration when it determines that the Transceiver has
moved sufficiently far away from its last registered location. Note that auto-registration
runs only while the Transceiver is attached to the gateway, i.e. the registration status is
" N o t r e g i s t e r e d " o r " R e g i s t e r e d " .
Auto-registration may only be used with system-provided location. If the FA is providing
its own location (e.g. GPS), the FA should use the manual registration command,
.
+SBDREG
U p o n t r i g g e r i n g i n mo d e 1 , " A u t o ma t i c " , t h e Transceiver autonomously initiates an SBD
session in order to perform a registration with the updated location of the Transceiver,
with the session type set to 3 –auto-registration. This session does not transfer any
MO or MT messages.
U p o n t r i g g e r i n g i n mo d e 2 , " A s k " , t h e Transceiver reports to the FA that it should
register with the system because the Transceiver location has changed (see
below); it is then the responsibility of the FA to register via
allows the FA to register while including an MO message and/or retrieving an MT
message that is pending at the Gateway.
When auto-registration is enabled, mode 1 or 2, the Transceiver reports relevant events
to the FA by issuing an unsolicited result code
:
<event>
Suggest FA makes a registration attempt (mode 2 only)
0
Auto-registration has been performed successfully (mode 1 only)
1
Auto-registration has failed and will be retried after a delay (mode 1 only)
2
:
<reg error>
Gateway-reported values
No error.
0
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Information contained herein is subject to change without further notice
+SBDREG
+AREG:<event>,<reg error>
<event>
or
.
+SBDIX
+SBDIX
.
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