Dedicated Transmission Parameters
SM 141 D649
Fax Option
Type C305
(D649)
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: 0, Bit 6: 0 = Off
Bit 7: 0, Bit 6: 1 = On
Bit 7: 1, Bit 6: 0 = Not used
Bit 7: 1, Bit 6: 1 = Disabled
For example, if ECM is switched on but is not
wanted when sending to a particular terminal, use
the (0, 0) setting.
 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 04 - Not used (do not change the settings)
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)