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V.42 Compression Control S56
Bit
Value Command Description
1, 0 00
%C
01
%C2
10
%C3
11
%C1
7-2
--
--
Bit Mapped
Bit
Value Command Description
0
0
*RC
1
*RC1
4-1
--
--
5
0
1
7, 6 --
--
Inactivity Timer
The S58 register specifies the number of minutes the modem waits
before terminating a call when no data is sent or received. This register
is active when in error control mode. 0 disables timer. Issue the \Tn
command to load inactivity timer, n=0-255 minutes.
Bit
Value Command Description
7-0
0
\T
1-255
\Tn (n=1-
255)
Compression disabled
Compression enabled on transmit data
only
Compression enabled on receive data
only
Compression enabled on transmit and
receive data
Reserved
S57
Standard number codes
15 - 4800 bps
18 - 9600 bps
Alternate number codes
11 - 4800 bps
12 - 9600 bps
Reserved
Busy out disabled
Busy out enabled during LAL test mode
(for private PBX use only)
Reserved
S58
Disable
Timer value in minutes
Modem 3600
Status Registers
10-17
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