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OnCell G2150I AT Command Set V24-V25 Commands
9-7
Auto-tests: &T
Description: This command allows the triggering of various auto-tests.
Command syntax: AT&T<n>
Command Possible responses
AT&T0
Note: Perform software auto-tests
OK
Note: No software problem detected, all
checksums are correct
AT&T1
Note: Do the audio loop test (close)
OK
Note: Command valid
AT&T2
Note: Stop the audio loop test (open)
OK
Note: Command valid
Defined values: <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).
Echo: E
Description: This command is used to determine whether or not the modem echoes characters
received by an external application (DTE).
Command syntax: ATE<n>
Command Possible responses
ATE0
Note: Characters are not echoed
OK
Note: Done
ATE1
Note: Characters are echoed
OK
Note: Done
Defined values: <n>
0: Characters are not echoed
1: Characters are echoed