Address
Function
Unit
Remarks
807F72
Acceptable ringing signal
frequency: range 1, upper limit
1000/ N
(Hz).
Function 08 (parameter 02).
807F73
Acceptable ringing signal
frequency: range 1, lower limit
Function 08 (parameter 03).
807F74
Acceptable ringing signal
frequency: range 2, upper limit
Function 08 (parameter 04).
807F75
Acceptable ringing signal
frequency: range 2, lower limit
Function 08 (parameter 05).
807F76
Number or rings until a call is
detected
1
Function 08 (parameter 06).
807F77
Minimum required length of the
first ring
20 ms
See Note 5. Function 09
(parameter 07).
807F78
Minimum required length of the
second and subsequent rings
20 ms
Function 08 (parameter 08).
807F79
Ringing signal detection reset time
(LOW)
20 ms
Function 08 (parameter 09).
807F7A
Ringing signal detection reset time
(HIGH)
Function 08 (parameter 10).
807F7B
to
807F80
Not used
Do not change the settings.
807F81
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
807F82
Bits 0 and 1 - Handset off-hook detection time
Bit 1 0 Setting
0 0 200 ms
0 1 800 ms
Other Not used
Bits 2 and 3 - Handset on-hook detection time
Bit 3 2 Setting
0 0 200 ms
0 1 800 ms
Other Not used
Bits 4 to 7 - Not used
807FA1
Acceptable CED detection range
(high byte)
BCD (Hz)
See Note 2.
807FA2
Acceptable CED detection range
(low byte)
807FA3
Not used
Do not change the factory
setting.
807FA4
807FA5
CED detection time
20 ms
±
20 ms
Factory setting: 200 ms
August 2nd, 1995
SERVICE TABLES AND PROCEDURES
NCU PARAMETERS *
4-47