70
MINIMODEM USB
Register
Unit
Range
Default
Description
S30
1 minute
0, 1–255
0
Sets the length of time that the
modem waits before
disconnecting when no data is
sent or received. A value of zero
disables the timer. See also the
\T command.
S35
decimal
0–1
0
0 disables, 1 enables the V.25
data calling tone, which allows
remote data/fax/voice
discrimination.
S36
decimal
0–7
7
Specifies the action to take in the
event of a negotiation failure
when error control is selected
(see S48).
S37
decimal
0–19
0
Sets the maximum V.34
“upstream” speed at which the
modem attempts to connect.
0 = maximum modem speed
1 = reserved
2 = 1200/75 bps
3 = 300 bps
4 = reserved
5 = 1200 bps
6 = 2400 bps
7 = 4800 bps
8 = 7200 bps
9 = 9600 bps
10 = 12000 bps
11 = 14400 bps
12 = 16800 bps
13 = 19200 bps
14 = 21600 bps