Epson ESC/VP21 User Manual page 58

S90
Disconnect Inactivity Timer
This S-register sets the length of time, in minutes, that the modem
will stay on-line /off-hook before disconnecting when no data is trans
mitted or received. In data and fax modes, any data transmitted or
received between the DTE-DCE interface will reset the timer. In
all other modes except Telephone-emulation mode, any data
transmitted will reset the timer. In Telephone-emulation mode,S90
is ignored (i. e., the modem will not automatically hangup the line
after a given time delay).
Range: n= 0-255 minutes
n=0
S108
Retrain Signal Quality Selector
This S-register selects when the modem should perform a retrain.
Range: n= 0-3
n=0
n=1
n=2
n=3
Default: V.32
3 - S REGISTER REFERENCE
Disabled
Never retrain
Low Quality - retrain after a large number of data errors
Medium Quality - retrain after a number of data errors
High Quality - retrain after a few data errors
V.32 bis
n=1
n=2
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