Service manual

NCU Parameters
D127/D128 5-78 SM Appendix
Address Function Unit Remarks
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
680582
Bits 0 and 1 - Handset off-hook detection time
Bit 1:0, Bit 0: 0 = 200 ms
Bit 1:0, Bit 0: 1 = 800 ms
Other Not used
Bits 2 and 3 - Handset on-hook detection time
Bit 3: 0, Bit 2: 0 = 200 ms
Bit 3: 0, Bit 2: 1 = 800 ms
Other Not used
Bits 4 to 7 - Not used
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