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SECURE RACK MODEM
11. Modem Result Codes
When AT commands are invoked, the modem will respond with either terse
(numeric) or verbose (text) result codes. The result code format is set using the
Modem Parameters menu (
/M
), or the
ATV
n
command. Result codes can also be
completely suppressed by enabling the Quiet Mode via the Modem Parameters
menu or the
ATQ
n
command.
Verbose
Terse
Description
Response
Response
OK
0
Modem successfully executed a
command.
CONNECT
1
Connection made at 300 bps.
RING
2
Modem detected an incoming call.
NO CARRIER
3
Modem lost or could not detect a
remote carrier signal within the register
S7 time.
ERROR
4
Modem found an error in the command
line.
CONNECT 1200
5
Connection made at 1200 bps.
NO DIALTONE
6
Modem did not detect a dial tone within
5 seconds after going off-hook.
BUSY
7
Modem detected a busy signal.
NO ANSWER
8
Five seconds of silence was not
detected when using the @ command
in the
ATD
command.
CONNECT 0600
9
Connection made at 600 bps.