Boca Systems M144PA, Руководство пользователя

Страница: 43 / 64

43
%En Auto-retrain Control (V.22bis and V.32bis only): (1)
This command controls whether the modern 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 ‘AT&Vn’ command.
n = 0 Disabled
n = 1 Enabled*
%Gn Auto Fallforward / fallback Enable (V.32bis only): (0)
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 Negotiation). The modem always responds to any rate
change initiated by the remote modem.
n = 0 Disabled*
n = 1 Enabled
% Q Line Signal Quality: (none)
This command returns the higher order byte of the EQM value. This
information indicates the quality of the telephone line signal. Note that this
values will be different for different DAAs.
Range: 0-255
0-7 No Retrain
8-255 Modem performs a Retrain (i.e., if configured for %E1)