Ricoh Type M12, Field Service Manual

Page: 171 / 226

Address Function Unit Remarks
680572
Acceptable ringing signal frequency:
range 1, upper limit
1000/ N
(Hz).
SP2-103-003 (parameter
02).
680573
Acceptable ringing signal frequency:
range 1, lower limit SP2-103-004 (parameter
03).
680574
Acceptable ringing signal frequency:
range 2, upper limit SP2-103-005 (parameter
04).
680575
Acceptable ringing signal frequency:
range 2, lower limit SP2-103-006 (parameter
05).
680576 Number of rings until a call is detected 1
SP2-103-007 (parameter
06).
The setting must not be zero.
680577
Minimum required length of the first
ring
20 ms
See Note 4.
SP2-103-008 (parameter
07).
680578
Minimum required length of the second
and subsequent rings
20 ms
SP2-103-009 (parameter
08).
680579
Ringing signal detection reset time
(LOW)
20 ms
SP2-103-010 (parameter
09).
68057A
Ringing signal detection reset time
(HIGH) SP2-103-011 (parameter
10).
68057B
to
680580
Not used - Do not change the settings.
680581
Interval between dialing the last digit
and switching the Oh relay over to the
external telephone when dialing from
the operation panel in handset mode.
20 ms Factory setting: 500 ms
NCU Parameters
169