Epson ESC/VP21 User Manual page 32

Auto-retrain Control (V.22 bis and V.32 bis only)
%En
This command controls whether the modem will automatically initiate a modem
retrain whenever the Received Data signal quality falls below a threshold that may
affect data reliability. The value for 'n' is stored in the NVRAM, but it is not
displayed by the
%E0
%E1
%Gn Auto Fallforward/fallback Enable (V.32 bis only)
This command selects whether the modem will automatically initiate a change to
a higher speed or lower speed depending on received signal quality (i.e. Rate Ne-
gotiation). The modem always responds to any rate change initiated by the remote
modem.
%G0
%G1
%Q
Line Signal Quality
This command returns the higher order byte of the EQM value, This information
indicates the quality of the telephone line signal. Note that this value will be differ-
ent for different DAAs.
Range:
0-7
24
command.
'AT&Vn'
Disabled.
Enabled. (default)
Disabled. (default)
Enabled.
0-255
No Retrain
COMMAND REFERENCE - 2