Protocols
6-6
V.3600
Auto-Reliable Fallback Character — %An
Select the ASCII character to be recognized as the auto-reliable fallback
character by the answering modem. During negotiation of protocol in
auto-reliable mode, the answering modem switches from reliable to
normal mode when receiving the auto-reliable fallback character from
the calling modem and passes the character to the serial port.
Enter the
%An
command to set the auto-reliable fallback character
(
n
=1-27 decimal representing an ASCII character).
Note
The modem must be set for auto-reliable mode
(
AT\N3, \N5,
\N6,
\N7
).
Command
Operation
\N
Normal mode — no error control; data buffered
\N1
Direct mode — no error control; data not buffered
\N2
MNP only — try MNP; disconnect if not successful
\N3
MNP or normal — try MNP; fallback to normal async
\N4
LAPM only — try LAPM; disconnect if not successful
\N5
LAPM or normal — try LAPM; fallback to normal
\N6
LAPM or MNP — try both protocols; disconnect if not
successful
\N7
LAPM, MNP, or normal — try both protocols;
fallback to normal if not successful
Command
Operation
%A0
Disable auto-reliable fallback character
%An
Sets ASCII character to be recognized as the auto-reliable
fallback character
