NCU Parameters
D361 134 SM
Address Function Unit Remarks
680537
International dial tone frequency
lower limit (low byte)
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.
680543 Country dial tone detection time
680544 Country dial tone reset time (LOW)
680545 Country dial tone reset time (HIGH)
If 680543 contains FF,
the machine pauses for
the pause time (680548
/ 680549).
680546
Country dial tone continuous tone
time
20 ms