14 June, 2002
BIT SWITCHES
5-43
Service
Tables
5.2.4 COMMUNICATION SWITCHES
Communication Switch 00
No FUNCTION
COMMENTS
0-1
Compression modes available in
receive mode
Bit 1 0 Modes
0 0 MH only
0 1 MH/MR
1 0 MH/MR/MMR
1 1 MH/MR/MMR/JBIG
These bits determine the compression
capabilities declared in phase B (handshaking)
of T.30 protocol.
2-3
Compression modes available in
transmit mode
Bit 3 2 Modes
0 0 MH only
0 1 MH/MR
1 0 MH/MR/MMR
1 1 MH/MR/MMR/JBIG
These bits determine the compression
capabilities used in the transmission and
declared in phase B (handshaking) of T.30
protocol.
4
Not used
Do not change the setting.
5
JBIG reception mode
0:
Standard mode only
1:
Standard and optional mode
(default)
If this bit is 0, JBIG optional mode is switched
off for reception. Change the setting when
communication problems occur using JBIG
compression.
6
Priority for JBIG mode used for
transmission
0:
Standard mode
1:
Optional mode (default)
This bit determines the priority for the
compression mode used for JBIG transmission.
Change the setting when communication
problems occur using JBIG compression.
7
Closed network (reception)
0:
Disabled
1:
Enabled
1:
Reception will not go ahead if the ID code of
the other terminal does not match the ID code
of this terminal. This function is only available in
NSF/NSS mode.