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SERVICE TABLES AND PROCEDURES
NCU PARAMETERS
Address
807F01
Line current detection time
(006701)
807F02
Line current wait time
(006702)
807F03
Line current drop detect time
(006703)
807F04
PSTN dial tone frequency range
(006704)
(high byte)
807F05
PSTN dial tone frequency range
(006705)
(low byte)
807F06
Not used
(006706)
807F07
(006707)
807F08
PSTN dial tone detection time
(006708)
807F09
PSTN dial tone reset time (LOW)
(006709)
807F0A
PSTN dial tone reset time (HIGH)
(00670A)
807F0B
PSTN dial tone continuous tone
time
(00670B)
807F0C
PSTN dial tone permissible drop
time
(00670C)
807F0D
PSTN wait interval (LOW)
(00670D)
807F0E
PSTN wait interval (HIGH)
(00670E)
807F0F
PSTN ringback tone detection time
(00670F)
807F10
PSTN ringback tone off detection
time
(006710)
PSTN detection time for silent
807F11
period after ringback tone
(006711)
detected (LOW)
PSTN detection time for silent
807F12
period after ringback tone
(006712)
detected (HIGH)
807F13
PSTN busy tone frequency range
(006713)
(high byte)
807F14
PSTN busy tone frequency range
(low byte)
(006714)
807F15
Not used
(006715)
807F16
(006716)
Function
4-34
August 7th, 1995
Unit
Remarks
20 ms
Line current is not detected
if 807F01 contains FF.
Hz (BCD)
See Note 2.
Do not change the factory
setting.
20 ms
If 807F08 contains FF, the
machine pauses for the
pause time (address
807F0D / 807F0E).
20 ms
Detection is disabled if this
contains FF.
20 ms
20 ms
20 ms
Hz (BCD)
If 807F13 is FF, detection is
disabled. See Note 2.
Do not change the factory
settings.
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