User manual

TECHNICAL REFERENCE
8-12
Extended Data Commands
&$ Displays a list of ampersand (&)
commands.
&An Enables/disables additional result
code subsets (see Xn).
&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 V42bis/MNP5
(data compression)
&Bn 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
&Cn Controls Carrier Detect (CD)
signal.
&C0 CD override
&C1 Normal CD operations
&Dn 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
&Fn Loads a read-only (non-
programmable) factory
configuration.
&F0 Generic template
&F1 Hardware flow control
template
&F2 Software flow control
template