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28 August, 2000
NCU PARAMETERS
4-69
Service
Tables
Address
Function
Unit
Remarks
48045F
Bit 7 and 6 - Not used
Bit 5 - Polarity change detection in rx (1: Enabled)
Bit 4 - Polarity change detection in tx (1: Enabled)
Bits 3 to 0 - Not used
Detection time is 500
ms in both tx and rx.
See Note 8.
480460
to
480464
Not used
Do not change the
settings.
480465
Long distance call prefix (HIGH)
BCD
For a code of 0:
480465 - FF
480466 - F0
480466
Long distance call prefix (LOW)
BCD
480467
to
480471
Not used
Do not change the
settings.
480472
Acceptable ringing signal
frequency: range 1, upper limit
1000/ N
(Hz).
Function 06-2
(parameter 02).
480473
Acceptable ringing signal
frequency: range 1, lower limit
Function 06-2
(parameter 03).
480474
Acceptable ringing signal
frequency: range 2, upper limit
Function 06-2
(parameter 04).
480475
Acceptable ringing signal
frequency: range 2, lower limit
Function 06-2
(parameter 05).
480476
Number or rings until a call is
detected
1
Function 06-2
(parameter 06).
The setting must not be
zero (0).
480477
Minimum required length of the first
ring
20 ms
See Note 5.
Function 06-2
(parameter 07).
480478
Minimum required length of the
second and subsequent rings
20 ms
Function 06-2
(parameter 06-2).
480479
Ringing signal detection reset time
(LOW)
20 ms
Function 06-2
(parameter 09).
48047A
Ringing signal detection reset time
(HIGH)
Function 06-2
(parameter 10).
48047B
to
480480
Not used
Do not change the
settings.
480481
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