21 May, 1999
BIT SWITCHES
4-29
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 Not used
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 Not used
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 these settings.
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 the JBIG
compression.
This switch is effective only in the USA models.
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 the JBIG compression.
This switch is effective only in the USA models.
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.
Communication Switch 01
No
FUNCTION
COMMENTS
0
ECM
0: Disabled 1: Enabled
If this bit is 0, ECM is switched off for all
communications.
1
Not used
Do not change this settings.