Epson ESC/VP21 User Manual page 57

Sleep mode is disabled by setting S30 to a '0'.
Range: 0-90 seconds
S37
Maximum Line Speed Attempted
This S-register selects the maximum line speed allowable (i.e.,
the modem will attempt to connect at this speed or fallback to a
lower speed). Note that S37 has no effect during V.32 bis retrain-
ing/rate negotiation,
Range: n=0-11
n=0
n=1
n=2
n=3
n=4
n=5
n=6
n=7
n=8
n=9
n=10
n=11
50
DTE rate
Reserved
Reserved
300
Reserved
1200
2400
4800
7200
9600
12000
14400
S REGISTER REFERENCE - 3