BIT SWITCHES
SM 59 B779
Fax Option
B779
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 polling ID code
of the remote terminal does not match the polling ID
code of the local terminal. This function is only
available in NSF/NSS mode.
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