14 June, 2002
NCU PARAMETERS
5-79
Service
Tables
Address Function
Unit
Remarks
401F31
Busy tone OFF time: range 4
401F32
Busy tone-continuous tone
detection time
401F33
Busy tone signal state time tolerance for all ranges, and number of cycles
required for detection (a setting of 4 cycles means that ON-OFF-ON or OFF-
ON-OFF must be detected twice).
Tolerance (
±
)
Bit
1
0
0 0 75%
Bits 2 and 3 must always
0 1 50%
be kept at 0.
1 0 25%
1 1 12.5%
Bits 7, 6, 5, 4 - number of cycles required for cadence detection
401F34
International dial tone frequency
upper limit (high byte)
401F35
International dial tone frequency
upper limit (low byte)
Hz
(BCD)
If both addresses contain
FF(H), tone detection is
disabled.
401F36
International dial tone frequency
lower limit (high byte)
401F37
International dial tone frequency
lower limit (low byte)
Hz
(BCD)
If both addresses contain
FF(H), tone detection is
disabled.
401F38
International dial tone detection time
401F39
International dial tone reset time
(low)
401F3A
International dial tone reset time
(high)
401F3B
International dial tone continuous
tone time
401F3C International dial tone permissible
drop time
401F3D International dial wait interval (low)
401F3E
International dial wait interval (high)
20 ms
If 401F38 contains FF, the
machine pauses for the
pause time (401F 3D /
401F3E).
401F3F
Country dial tone upper frequency
limit (high)
401F40
Country dial tone upper frequency
limit (low)
If both addresses contain
FF(H), tone detection is
disabled.
401F41
Country dial tone lower frequency
limit (high)
401F42
Country dial tone lower frequency
limit (low)
Hz
(BCD)
If both addresses contain
FF(H), tone detection is
disabled.
401F43
Country dial tone detection time
20 ms
401F44
Country dial tone reset time (low)
401F45
Country dial tone reset time (high)
If 401F43 contains FF, the
machine pauses for the
pause time (401F48 /
401F49).
401F46
Country dial tone continuous tone
time
401F47
Country dial tone permissible drop
time