November 29, 1999
NCU PARAMETERS
4-67
Service
Tables
Address
Function
Unit
Remarks
480933
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
480934
International dial tone frequency
upper limit (high byte)
480935
International dial tone frequency
upper limit (low byte)
Hz
(BCD)
If both addresses contain
FF(H), tone detection is
disabled.
480936
International dial tone frequency
lower limit (high byte)
480937
International dial tone frequency
lower limit (low byte)
Hz
(BCD)
If both addresses contain
FF(H), tone detection is
disabled.
480938
International dial tone detection
time
480939
International dial tone reset time
(low)
48093A
International dial tone reset time
(high)
48093B
International dial tone continuous
tone time
48093C
International dial tone permissible
drop time
48093D
International dial wait interval (low)
48093E
International dial wait interval (high)
20 ms
If 480938 contains FF, the
machine pauses for the
pause time (48093D /
48093E).
See Note 4 (Belgium).
48093F
Country dial tone upper frequency
limit (high)
480940
Country dial tone upper frequency
limit (low)
If both addresses contain
FF(H), tone detection is
disabled.
480941
Country dial tone lower frequency
limit (high)
480942
Country dial tone lower frequency
limit (low)
Hz
(BCD)
If both addresses contain
FF(H), tone detection is
disabled.
480943
Country dial tone detection time
20 ms
480944
Country dial tone reset time (low)
480945
Country dial tone reset time (high)
If 480943 contains FF, the
machine pauses for the
pause time (480948 /
480949).
480946
Country dial tone continuous tone
time
480947
Country dial tone permissible drop
time
480948
Country dial wait interval (low)