Ncu Parameters - Ricoh FACSIMILE FAX77 Field Service Manual

2-6. NCU Parameters

No Description
00 Acceptable ringing signal frequency:
Range 1, upper limit
01 Acceptable ringing signal frequency:
Range 1, lower limit
02 Acceptable ringing signal frequency:
Range 2, upper limit
03 Acceptable ringing signal frequency:
Range 2, lower limit
04 Number of rings until a call is
detected
05 Minimum required length of the first
ring
06 Minimum required length of the
second and subsequent rings
07 Reset time
08 Time between closing the Ds relay
and opening the Di relay
(Europe/Asia only)
09 Pulse dial relay (PC2), break time
Formula
1,000,000/655N (Hz)
1,000,000/655N (Hz)
1,000,000/655N (Hz)
1,000,000/655N (Hz)
N (rings)
N x 20 (ms)
N x 20 (ms)
N x 40 (ms)
N (ms)
N (ms)
2-67
Remarks
Note 2
Note 1
Note 1