Bit Switches
SM 115 D545
Fax option
Type C5501
D545
G3 Switch 02 (SP No. 1-105-003)
No Function Comments
0
G3 protocol mode used
0: Standard and non-standard
1: Standard only
Change this bit to 1 only when the other end can
only communicate with machines that send
T.30-standard frames only.
1: Disables NSF/NSS signals (these are used in
non-standard mode communication)
1-4 Not used Do not change the settings.
5
Use of modem rate history for
transmission using
Quick/Speed Dials
0: Disabled
1: Enabled
0: Communications using Quick/Speed Dials
always start from the highest modem rate.
1: The machine refers to the modem rate history
for communications with the same machine when
determining the most suitable rate for the current
communication.
6 Not Used Do not change the settings.
7
Short preamble
0: Disabled 1: Enabled
Refer to Appendix B in the Group 3 Facsimile
Manual for details about Short Preamble.
G3 Switch 03 (SP No. 1-105-004)
No Function Comments
0
DIS detection number
(Echo countermeasure)
0: 1
1: 2
0: The machine will hang up if it receives the
same DIS frame twice.
1: Before sending DCS, the machine will wait for
the second DIS which is caused by echo on the
line.
1 Not Used Do not change the settings.
2
V.8 protocol
0: Disabled
1: Enabled
0: V.8/V.34 communications will not be possible.
Do not set to 0 unless the line condition
is always bad enough to slow down the
data rate to 14.4 kbps or lower.