21 December, 2001
BIT SWITCHES
3-31
Service
Tables
3.2.4 COMMUNICATION SWITCHES
Communication Switch 00
SP No. 1-104-001
No
FUNCTION
COMMENTS
0
to
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
to be declared in phase B (handshaking) of the T.30
protocol.
2
to
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
to be used in the transmission and to be declared in
phase B (handshaking) of the T.30 protocol.
4
Not used
Do not change the settings.
5
JBIG compression method:
Reception
0
: Only basic supported
1
: Basic and optional both
supported
Change the setting when communication problems
occur using JBIG compression.
6
JBIG compression method:
Transmission
0
: Basic mode priority
1
: Optional mode priority
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.