Fax Unit B404
DEDICATED TRANSMISSION PARAMETERS
SM 5-59 B404
Switch 04
No FUNCTION COMMENTS
4 V.8 protocol
0: Off
1: Disabled
If transmissions to a specific destination always end
at a lower modem rate (14,400 bps or lower),
disable V.8 protocol so as not to use V.34 protocol.
0: V.34 communication will not be possible.
If the setting is ‘Disabled’, the bit switch setting is
used.
5 Compression modes available
in transmit mode
0: MH only
1: Disabled
This bit determines the capabilities that are informed
to the other terminal during transmission.
If the setting is ‘Disabled’, the bit switch setting is
used.
6
7
ECM during transmission
Bit 7 Bit 6 Setting
00Off
01On
10Not used
1 1 Disabled
For example, if ECM is switched on but is not
wanted when sending to a particular terminal, use
the (0, 0) setting.
Note that V.8/V.34 protocol and JBIG compression
are automatically disabled if ECM is disabled.
If the setting is ‘Disabled’, the bit switch setting is
used.
Switch 05 - Not used (do not change the settings)
Switch 06 - Not used (do not change the settings)
Switch 07 - Not used (do not change the settings)
Switch 08 - Not used (do not change the settings)
Switch 09 - Not used (do not change the settings)
Switch 0A - Not used (do not change the settings)