Ricoh Aficio MP201SPF Service Manual page 483

7
Not used
G3 Switch 02 [SP No. 1-105-003]
No FUNCTION
G3 protocol mode used
0 0: Standard and non-standard
1: Standard only
1-6 Not used
Short preamble
7
0: Disabled 1: Enabled
G3 Switch 03 [SP No. 1-105-004]
No FUNCTION
DIS detection number
(Echo countermeasure)
0
0: 1
1: 2
1 Not Used
V.8 protocol
2 0: Disabled
1: Enabled
SM Appendix
Do not change the setting.
COMMENTS
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)
Do not change the settings.
Refer to Appendix B in the Group 3 Facsimile
Manual for details about Short Preamble.
COMMENTS
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.
Do not change the settings.
0: V.8/V.34 communications will not be possible.
Note:
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.
5-45
Bit Switches
D115/D116