NCU Parameters
D361/D510 160 SM
Address Function Unit Remarks
68051A
PABX dial tone frequency lower limit
(low byte)
disabled.
68051B PABX dial tone detection time
20 ms
If 68051B contains FF, the
machine pauses for the
pause time (680520 /
680521).
68051C PABX dial tone reset time (LOW)
68051D PABX dial tone reset time (HIGH)
68051E PABX dial tone continuous tone time
68051F PABX dial tone permissible drop time
680520 PABX wait interval (LOW)
680521 PABX wait interval (HIGH)
680522 PABX ringback tone detection time 20 ms If both addresses contain
FF(H), tone detection is
disabled.
680523 PABX ringback tone off detection time 20 ms
680524
PABX detection time for silent period
after ringback tone detected (LOW)
20 ms
If both addresses contain
FF(H), tone detection is
disabled.
680525
PABX detection time for silent period
after ringback tone detected (HIGH)
20 ms
680526
PABX busy tone frequency upper limit
(high byte)
Hz (BCD)
If both addresses contain
FF(H), tone detection is
disabled.
680527
PABX busy tone frequency upper limit
(low byte)
680528
PABX busy tone frequency lower limit
(high byte)
Hz (BCD)
If both addresses contain
FF(H), tone detection is
disabled.
680529
PABX busy tone frequency lower limit
(low byte)
68052A Busy tone ON time: range 1 20 ms
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