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Iridium Communications, Inc.
Iridium 9523 Product Developers' Guide
Revision 2.6
ATX 0 &V +GSN +CMEE=? +CPBR=1,12 –MSVTR?
ATX0 &V +GSN +CMEE=? +CPBR=1,12 –MSVTR?
ATX &V +GSN +CMEE=? +CPBR=1,12 –MSVTR?
ATX;&V;+GSN;+CMEE=?;+CPBR=1,12;–MSVTR?
ATX&V+GSN+CMEE=?+CPBR=1,12–MSVTR?
5.6 Command Responses
A result code is sent to the FA in response to the execution of a command. It may also occur unsolicited
from other conditions such as an incoming call (e.g. RING). Responses returned as a result of a query
are called information responses.
Result codes can be represented by text if the Iridium 9523 is in verbose mode or with numbers if in
numeric mode. The command ATVn informs the Iridium 9523 whether to respond in verbose or numeric
mode. Further note that responses can be suppressed by setting the command ATQn to ATQ1. Table
15 below shows the difference in format between these modes.
Result codes
Information
Responses
Command entries with invalid syntax typically respond with ERROR. Command entries of valid syntax
with an out-of-range parameter can respond in one of three following manners:
Disallow out-of-range entry and respond with ERROR
Disallow out-of-range entry and respond with OK
Disallow out-of-range entry, accept the closest in-range value, and respond with OK
5.6.1
Hardware Failure Reporting
If the Iridium 9523 detects a hardware problem during initialization, it may be unable to function correctly.
The Iridium 9523 notifies the FA of this situation by issuing an unsolicited result code at the end of
initialization:
HARDWARE FAILURE: <subsys>,<error>
where <subsys> identifies the software subsystem that detected the error, and <error> is the subsystem-
specific error code.
Any AT commands that cannot be handled in the failure condition will terminate with result code 4
("ERROR").
Iridium Communications, Inc.
Proprietary & Confidential Information
Only
Table 15: Result Code Response Format
Numeric Mode
ATQ0 ATV0
<NUMERIC_CODE>
<CR>
<TEXT><CR><LF>
Page 35 of 115
Information Contained in this Guide
is Subject to Change Without Notice
(space omitted between AT and X)
(space omitted between ATX and 0)
(0 omitted from ATX0)
(semicolon separators)
(no separators)
Verbose Mode
ATQ0 ATV1
<CR><LF><VERBOSE_CODE><C
R><LF>
<CR><LF><TEXT><CR><LF>
Distribution of Guide Restricted
to Product Developers
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