Ricoh M281 Series Service Manual page 947

No Function
0-3 Not used
4-5 Select detection of DTMF/DP
detection when using remote
switch.
00: DTMF+PSTN
(Simultaneous detection)
01: DTMF
10: DP (10 PPPS)
11: DP (20 PPS)
6-7 Not used
G3 Switch 0D Not used (do not change the settings).
No Function
0-7 Set CNG send time interval
Some machines on the receiving side may not be able to automatically switch the
3-second CNG interval.
High order bit
Low order bit
No Function
SM
G3 Switch 0C (SP No. 1-105-013)
Do not change these settings.
This setting determines how to detect the
signals from the handset when remote switch is
active.
Do not change the settings.
G3 Switch 0E (SP No. 1-105-015)
3000-2250ms: 3000-50xNms
3000 – 50 x Nms 0F (3000 ms) <= N <= FF (2250
ms)
00-0E(3000-3700ms: 3000+50xNms
3000 – 50 x Nms 0F (3000 ms) <= N <= 0F (3700
ms)
G3 Switch 0F (SP No. 1-105-016)
113
Bit Switches - 4
Comments
Comments
Comments
D255/D256 FAX OPTION