NCU Parameters
D361/D510 166 SM
Address Function Unit Remarks
680565 Long distance call prefix (HIGH) BCD For a code of 0:
680565 - FF
680566 - FF
680566 Long distance call prefix (LOW) BCD
680567
to
680571
Not used
Do not change the
settings.
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).