Black Box MD1640A Modem User Manual


 
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APPENDIX C: Command Summary
Appendix C - Command Summary
Command
Values Description
AT Attention Code that precedes most comd.
strings except A/, A: and Escape Codes.
RETURN Pressing RETURN key executes most
commands.
$ In Dial Comd. This symbol placed in dialing string enables
the modem to detect AT&T's "call card"
tones for accessing user's calling card to
originate an on-line connection.
A Answer call, even if no ring present. Repeat
last command. (Do not precede this
command with AT. Do not hit RETURN to
execute.)
A: Continuous redial of last number until
answered.
A/ Repeat previous command. (Do not
precede this command with AT.)
$An n = 0 or 1 *$A0 discards data during auto-reliable time
period.
$A1 buffers data during auto-reliable time
period.
#An n = 0 thru 3 *#A0 selects initial handshake at 33,600 to
31,200 to 28,800 to 24000 to 21,600 to
19,200 to 16,800 to 14,400 to 12,000 to 9600
to 4800 to 2400 to 1200 to 300 bps.
#A1 selects initial handshake at 33,600 bps
only.
#A2 selects initial handshake at 33,600 to
31,200 to 28,800 to 24000 to 21600 to
19,200 to 16,800 19,200 to 14,400 to 9600
to 4800 bps.
#A3 selects initial handshake at 2400 to
1200 to 300 bps.
* Factory Default Setting