Ricoh Aficio MP C2030, Service Manual

Page: 1142 / 1171

NCU Parameters
D432/D433 116 SM
Address Function Unit Remarks
frequency lower limit (low byte)
6805AA Not used -
Do not change the
setting.
6805AB CNG on time 20 ms Factory setting: 500 ms
6805AC CNG off time 20 ms Factory setting: 3000 ms
6805AD
Number of CNG cycles required
for detection
-
The data is coded in the
same way as address
680533.
6805AE Not used -
Do not change the
settings.
6805AF
Acceptable AI short protocol tone
(800Hz) detection frequency
upper limit (high byte)
6805B0
Acceptable AI short protocol tone
(800Hz) detection frequency
upper limit (low byte)
Hz (BCD)
If both addresses
contain FF(H), tone
detection is disabled.
6805B1
Acceptable AI short protocol tone
(800Hz) detection frequency lower
limit (high byte)
6805B2
Acceptable AI short protocol tone
(800Hz) detection frequency lower
limit (low byte)
Hz(BCD)
If both addresses
contain FF(H), tone
detection is disabled.
6805B3
Detection time for 800 Hz AI short
protocol tone
20 ms Factory setting: 360 ms
6805B4 PSTN: Tx level from the modem -N – 3 dBm
SP2-103-002
(parameter 01).
6805B5
PSTN: 1100 Hz tone transmission
level
- N 6805B4 - 0.5N 6805B5 –3.5 (dB)
See Note 7.