9 March 2004 NCU PARAMETERS
3-37
Service
Tables
Address Function Unit Remarks
680503 Line current drop detect time Line current is not
detected if 680501
contains FF.
680504 PSTN dial tone frequency upper limit
(high byte)
680505 PSTN dial tone frequency upper limit
(low byte)
Hz (BCD) If both addresses contain
FF(H), tone detection is
disabled.
680506 PSTN dial tone frequency lower limit
(high byte)
680507 PSTN dial tone frequency lower limit
(low byte)
Hz (BCD) If both addresses contain
FF(H), tone detection is
disabled.
680508 PSTN dial tone detection time
680509 PSTN dial tone reset time (LOW)
68050A PSTN dial tone reset time (HIGH)
68050B PSTN dial tone continuous tone time
68050C PSTN dial tone permissible drop time
If 680508 contains FF(H),
the machine pauses for
the pause time (address
68050D / 68050E).
Italy ☛ Note 2
68050D PSTN wait interval (LOW)
68050E PSTN wait interval (HIGH)
20 ms
68050F PSTN ring-back tone detection time 20 ms Detection is disabled if
this contains FF.
680510 PSTN ring-back tone off detection
time
20 ms
680511 PSTN detection time for silent period
after ring-back tone detected (LOW)
20 ms
680512 PSTN detection time for silent period
after ring-back tone detected (HIGH)
20 ms
680513 PSTN busy tone frequency upper
limit (high byte)
680514 PSTN busy tone frequency upper
limit (low byte)
Hz (BCD) If both addresses contain
FF(H), tone detection is
disabled.
680515 PSTN busy tone frequency lower
limit (high byte)
680516 PSTN busy tone frequency lower
limit (low byte)
Hz (BCD) If both addresses contain
FF(H), tone detection is
disabled.
680517 PABX dial tone frequency upper limit
(high byte)
680518 PABX dial tone frequency upper limit
(low byte)
Hz (BCD) If both addresses contain
FF(H), tone detection is
disabled.
680519 PABX dial tone frequency lower limit
(high byte)
68051A PABX dial tone frequency lower limit
(low byte)
Hz (BCD) If both addresses contain
FF(H), tone detection is
disabled.
68051B PABX dial tone detection time
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
If 68051B contains FF,
the machine pauses for
the pause time (680520 /
680521).
680520 PABX wait interval (LOW)
680521 PABX wait interval (HIGH)
20 ms
680522 PABX ringback tone detection time 20 ms If both addresses contain
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