At Command Set For The 3Com Impact; Digital Modem; B-1 At Command Set Summary - 3Com DIGITAL MODEM User Manual

B
The 3Com Impact ISDN digital modem commands are
summarized in Table B-1, modem commands for the internal
analog modem in Table B-1, remote S registers in Table B-3,
and digital modem result codes in Table B-4.

AT Command Set for the 3Com Impact

Digital Modem

Table B-1 summarizes the AT command set.
Table B-1 AT Command Set Summary
Command Function (Example)
A Answer incoming circuit-switched
digital modem call (AT A)
&C Serial port CD control (AT &C2)
D (ATD5551234)
DT (ATDT5551234)
DP (ATDP5551234)
(continued)
AT C
OMMANDS
R
EGISTERS
C
ODES
,
, R
AND
Description
Answers an incoming call.
&C0 forces CD to remain on at all times.
&C1 forces CD to follow the state of
carrier from the remote system. CD turns
on after CONNECT message is sent to
host (default).
&C2 forces CD to remain on except
temporarily after disconnect.
Dials an outgoing 56/64 Kbps
circuit-switched digital connection.
Dials an outgoing analog modem call,
using the optional V.32bis modem, at a
maximum modem line speed of
14.4 Kbps using touch-tone dialing.
Dials an outgoing analog modem call,
using the optional V.32bis modem, at a
maximum modem line speed of
14.4 Kbps using pulse dialing.
ESULT