Westermo GDW-11 - Manual (Page 168)

168 V.24-V.25 commands 6615-2220
&W – Save configuration
Description:
This commands writes the active configuration to a non-volatile memory (EEPROM).
Description of the stored parameters is given in appendix Parameters storage
Syntax:
AT&W
Parameters:
No parameter
Command example Possible responses Note
AT&W OK Writes current configura-
tion to EEPROM
&T – Auto-tests
Description:
This command allows to trigger various auto-tests.
Syntax:
AT&T<n>
Parameters:
<n>
0: Perform software auto-tests
The response will be OK if no software problem is detected (EEPROM, RAM and
ROM checksums), otherwise a simple ERROR response is sent.
1: Do the audio loop test (close)
This is used to validate the audio loop (microphone to speaker).
2: Stop the audio loop test (open)
This is used to validate the audio loop (microphone to speaker).
Command example Possible responses Note
AT&T0 OK Perform software
auto-tests
No software problem
detected, all checksums
are correct
AT&T1 OK Do the audio loop test
(close)
AT&T2 OK Stop the audio loop test
(open)