3Com Courier Reference page 169

Command Function
%B8
%B9
%B10
%Cn Remote configuration control.
%C0
%C1
Using%C1 will not reverse any changes that you wrote to NVRAM (with
&W) or forced (with%C2).
%C2
We recommend against forcing configuration changes unless it is
absolutely necessary. An unreliable connection, or loss of connection,
may result.
Command Function
%D= Set a DTMF password.
%E=n Erase security settings.
%E=1
%E=2
%E=3
%E=4
%E=5
%Fn Remotely configure another device's data format.
%F0
%F1
%F2
%F3
%L= Set a local-access password.
%Nn Set the offline clock speed for synchronous mode.
%N0
%N1
Percent (%) Command Set
38400 bps
57600 bps
115200 bps
Defer configuration changes until the call is ended.
Changes take effect for ensuing connections.
Cancel configuration changes and restore the
original configuration.
Force configuration changes to take effect
immediately.
Erase local-access password.
Erase Autopass password.
Erase passwords in accounts 0-9.
Erase phone numbers in accounts 0-9.
Disable Account, Dialback, and New Number fields
in accounts 0-9.
No parity, 8 data bits.
Mark parity, 7 data bits.
Odd parity, 7 data bits.
Even parity, 7 data bits.
Reserved
Reserved
B-13