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 to
be declared in phase B (handshaking) of the 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 to
be used in the transmission and to be declared in
phase B (handshaking) of the T.30 protocol.
Cross reference
EFC compression during transmission:
Communication Switch 01, bit 1.
4
to
6
Not used
Do not change the settings.
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.
SERVICE TABLES AND PROCEDURES
August 7th, 1995
BIT SWITCHES
4-22
