Specifications

70 MultiModemISI Hybrid Series, ISIHI-2S/2U
Chapter 4—MODEM AT Commands, S-Registers, Result Codes
Topic Command Description
Dialing Action, p. 71 D Dial
H On-hook/off-hook
Dial Modifiers, p. 71 L, P, T, W Command accepted, but has no function
, Command accepted, but has no function
; Command accepted, but has no function
! $ @ ^ Command accepted, but has no function
Phone Number Memory, p. 72 &Z Store a phone number
DS Dial a stored number
Configuration Storage & Recall, p. 72 &W Store configuration
&F Load factory default configuration
Z Reset modem
&Y Select stored configuration on power-up
Modem Responses (Result Codes), p. 73 E Echo command mode characters
Q Result codes: enable/disable
V Result codes: verbose/terse
\V Protocol result code
X Result codes and call progress
&Q Select asynchronous communications mode
Online Connection, p. 75 B Answer tone
C Carrier control
F Echo online data characters
&G Guard tones
-C Data calling tone
N Modulation handshake
\T Disable inactivity timer
Y Long space disconnect
RS-232 Interface Controls, p. 77 &C Carrier Detect control
&D Data Terminal Ready control
&S Data Set Ready control
Error Correction & Data \N0 or &Q6 Non-error correction mode
Compression, p. 78 \N3 Auto-reliable mode
\N2 Reliable mode
%C0 Data compression disabled
%C1 Data compression enabled
Immediate Action, p. 79 A/ Repeat last command
I Information request
&B V.32 auto retrain
&V View current configuration
Flow Control, p. 80 &M0 Asynchronous mode
&K0 or \Q0 Flow control disabled
&K3 or \Q3 Hardware flow control
&K4 or \Q1 XON/XOFF flow control
\X0 XON/XOFF no pass-through
&J Auxiliary relay control
\J Enable data buffer control
\G Modem port flow control
\K Set break control
Escape Sequences, p. 82 +++AT<cr> Default in-band escape sequence
A Force answer mode
O Go back online