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SERVICE TABLES AND PROCEDURES
NCU PARAMETERS
Address
807F4E
Minimum pause between dialled
(00674E)
digits (pulse dial mode)
807F4F
Time waited when a pause is
entered at the operation panel
(00674F)
807F50
DTMF tone on time
(006750)
807F51
DTMF tone off time
(006751)
807F52
Tone attenuation value in DTMF
(006752)
signals
Tone attenuation value difference
807F53
between high frequency tone and
(006753)
low frequency tone in DTMF
signals
807F54
PSTN: DTMF tone attenuation
level after dialling
(006754)
807F55
Not used
(006755)
to
807F58
(006758)
807F59
Grounding time (ground start
(006759)
mode)
807F5A
Break time (flash start mode)
(00675A)
807F5B
International dial access code
(00675B)
807F5C
(00675C)
PSTN access pause time
807F5D
(00675D)
Progress tone detection level, and
cadence detection enable flags
807F5E
(00675E)
Polarity detection
807F5F
(00675F)
Function
4-38
August 7th, 1995
Unit
Remarks
20 ms
See Note 3. Function 08
(parameter 15).
Function 08 (parameter 16).
See Note 3.
1 ms
Function 08 (parameter 17).
Function 08 (parameter 18).
-dBm x
Function 08 (parameter 19).
0.5
See Note 5.
-Nx0.5
Function 08 (parameter 20).
(dB)
See Note 5.
-dBm x
Function 08 (parameter 21).
0.5
See Note 5.
Do not change the settings.
20 ms
The Gs relay is closed for
this interval.
1 ms
The OHDI relay is open for
this interval.
BCD
For a code of 100:
807F5B - F1
807F5C - 00
20 ms
This time is waited for each
pause input after the PSTN
access code. Up to 7 of
these can be input. If this
address contains FF[H], the
pause time stored in
address 807F4F is used.
Bit 7 Bit 6 Bit 5
dBm
0
0
0
-25.0
0
0
1
-35.0
0
1
0
-30.0
1
0
0
-40.0
1
1
0
-49.0
Bit 4 1: Enable: Tx Polarity detection
Bit 5 1: Enable: Rx Polarity
detection
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