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November 29, 1999
BIT SWITCHES
4-41
Service
Tables
4.2.4 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
JBIG priority transmission
0: Disabled
1: Enabled
0: If JBIG compression is already in use,
MMR compression is used.
1: If JBIG compression is already in use, any
jobs following are placed on hold until the
JBIG resource becomes free.
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.