T
ECHNICAL
R
EFERENCE
Extended Data Commands
8-8
&$
Displays a list of ampersand (&) commands.
&A
n
Enables/disables added result code subsets (see X
n
).
&A0
ARQ result codes disabled
&A1
ARQ result codes enabled
&A2
V.32 modulation indicator added
&A3
Protocol indicators added
LAPM/MNP/NONE
(error control) and V42
bis
/MNP5 (data
compression)
&B
n
Manages modem’s serial port rate.
&B0
Variable, follows connection rate
&B1
Fixed serial port rate
&B2
Fixed in ARQ mode, variable in non-ARQ mode
&C
n
Controls Carrier Detect (CD) signal.
&C0
CD override
&C1
Normal CD operations
&D
n
Controls Data Terminal Ready (DTR) operations.
&D0
DTR override
&D1
DTR toggle causes online
Command mode
&D2
Normal DTR operations
&D3
Resets on receipt of DTR
&F
n
Loads a read-only (non-programmable) factory configuration.
&F0
Generic template
&F1
Hardware flow control template
&F2
Software flow control template
&G
n
Sets Guard Tone.
&G0
No guard tone, U.S. and Canada
&G1
550 Hz guard tone, some European countries,
requires B0 setting.
&G2
1800 Hz guard tone, U.K., requires B0 setting.
&H
n
Sets Transmit Data (TD) flow control (see also &R
n
).
&H0
Flow control disabled
&H1
Hardware flow control, Clear to Send (CTS)
&H2
Software flow control, XON/XOFF
&H3
Hardware and software flow control
&I
n
Sets Receive Data (RD) software flow control (see also
&R
n
).
&I0
Software flow control disabled
&I1
XON/XOFF signals to your modem and remote
system
&I2
XON/XOFF signals to your modem only
&K
n
Enables/disables data compression.
&K0
Data compression disabled
&K1
Auto enable/disable
&K2
Data compression enabled
&K3
MNP5 compression disabled
&M
n
Sets Error Control (ARQ) for connections at 1200
bps and higher.
&M0
Normal mode, error control disabled
&M1
Reserved
&M2
Reserved
Summary of Contents for 3CP5613
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