Ricoh LANIER MP 301SP, Service Manual

Page: 514 / 553

Bit Switches
D127/D128 5-62 SM Appendix
IP Fax Switch 03 [SP No. 1-111-004]
No. FUNCTION COMMENTS
0
Effective field limitation for G3
standard function information
0: OFF, 1: 4byte (DIS)
Limits the effective field for standard G3
function information.
1
Switching between G3 standard
and G3 non standard
0: Enable switching
1: G3 standard only
Enables/disables switching between G3
standard and G3 non-standard.
2 Not used. Do not change this setting.
3
ECM frame size selection at
transmitting
0: 256byte, 1: 64byte
Selects the ECM frame size for sending.
4
DIS detection times for echo
prevention
0: 1 time, 1: 2 times
Sets the number of times for DIS to detect
echoes.
5
CTC transmission selection
0: PPRx1
1: PPRx4
When "0" is selected, the transmission
condition is decided by error frame numbers.
When "1" is selected, the transmission
condition is based on the ITU-T method.
6
Shift down setting at receiving
negative code
0: OFF, 1: ON
Selects whether to shift down when negative
codes are received.
7 Not used Do not change this setting.