NCU Parameters
D432/D433 110 SM
Address Function Unit Remarks
upper limit (low byte)
680536
International dial tone frequency
lower limit (high byte)
680537
International dial tone frequency
lower limit (low byte)
Hz (BCD)
If both addresses
contain FF(H), tone
detection is disabled.
680538
International dial tone detection
time
680539
International dial tone reset time
(LOW)
68053A
International dial tone reset time
(HIGH)
68053B
International dial tone continuous
tone time
68053C
International dial tone permissible
drop time
If 680538 contains FF,
the machine pauses for
the pause time (68053D
/ 68053E).
Belgium: See Note 2.
68053D
International dial wait interval
(LOW)
68053E
International dial wait interval
(HIGH)
20 ms
-
68053F
Country dial tone upper frequency
limit (HIGH)
680540
Country dial tone upper frequency
limit (LOW)
If both addresses
contain FF(H), tone
detection is disabled.
680541
Country dial tone lower frequency
limit (HIGH)
680542
Country dial tone lower frequency
limit (LOW)
Hz (BCD)
If both addresses
contain FF(H), tone
detection is disabled.