Installation manual

Windsor Installation Manual - Issue C
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52
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Windsor Modem
AT Commands
Command Modem action Modem
response
ATE0 *NO ACTION OK
ATV1 *NO ACTION OK
ATV0 *NO ACTION OK
ATB0 Adaptive call originate/answer and return to 2400 baud
command mode
OK or ERROR
ATB1 Force V23 HDX and return to 2400 baud command
mode
1200 & 300 baud FSK can be achieved using the %B
command (default)
OK or ERROR
ATB2 Force V23 HDX and return to 1200 baud command
mode
1200 & 300 baud FSK can be achieved using the %B
command
OK or ERROR
AT%B1 Set serial port to 1200 bps OK or ERROR
AT%B2 Set serial port to 2400 bps OK or ERROR
AT%B3 Set serial port to 300 bps OK or ERROR
ATL0 Speaker always off OK or ERROR
ATL1 Speaker high volume (default) OK or ERROR
ATL2 Speaker Medium volume OK or ERROR
ATL3 Speaker Low volume OK or ERROR
ATM0 Speaker always enabled OK or ERROR
ATM1 Speaker always enabled until connection established OK or ERROR
ATD Dial Command;
Dial modifier = (comma), pause before dialling next
digit, for example "ATD9,3335377<cr>"
BUSY or ERROR
or NO DIAL
TONE
ATP Set dialling mode to Pulse OK or ERROR
ATT Set dialling mode to Tone OK or ERROR
ATA Answer ring signal CONNECT (xxxx)
or NO CARRIER
ATH0 Unconditional hang-up OK or ERROR
ATH1 Go off hook but no dialling OK or ERROR
ATI Report software version, for example, “01:02” 01:02
AT&ST Read Windsor Modem Status - V?L?H? where;
V? - Vy = exchange voltage present
- Vn = no exchange voltage
L? - Ld = line block checking disabled
(LB timer interval = 0)
- Ln = line clear
- Ly = line blocked
H? - Hy = series handset currently in use
- Hn = series handset not in use
returns 6 digit
status or ERROR
AT&LB=xxxx set line block check frequency (0-65535 minutes) OK or ERROR
AT&LB? read line block check frequency OK or ERROR
AT&LBC perform a line block check ERROR or
LINE BLOCKED
or
LINE CLEAR or
NO 50V
AT&CNnnn Set country code, nnn= 44 (UK) by default OK or ERROR
AT&RFxxx\r Set alarm reporting format;
0 : Normal modem mode
1 : ADEMCO Fast Format