Gestetner B003 Service Manual page 724

Address
680504 PSTN dial tone frequency upper limit
(high byte)
680505 PSTN dial tone frequency upper limit
(low byte)
PSTN dial tone frequency lower limit
680506
(high byte)
680507 PSTN dial tone frequency lower limit
(low byte)
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
68050D PSTN wait interval (LOW)
68050E PSTN wait interval (HIGH)
68050F PSTN ring-back tone detection time
680510 PSTN ring-back tone off detection
time
PSTN detection time for silent period
680511
after ring-back tone detected (LOW)
680512 PSTN detection time for silent period
after ring-back tone detected (HIGH)
680513 PSTN busy tone frequency upper
limit (high byte)
680514 PSTN busy tone frequency upper
limit (low byte)
680515 PSTN busy tone frequency lower
limit (high byte)
680516 PSTN busy tone frequency lower
limit (low byte)
680517 PABX dial tone frequency upper limit
(high byte)
680518 PABX dial tone frequency upper limit
(low byte)
680519 PABX dial tone frequency lower limit
(high byte)
68051A PABX dial tone frequency lower limit
(low byte)
SM
Function
3-67
NCU PARAMETERS
Unit Remarks
Hz (BCD) If both addresses contain
FF(H), tone detection is
disabled.
If both addresses contain
Hz (BCD)
FF(H), tone detection is
disabled.
20 ms If 680508 contains FF(H),
the machine pauses for
the pause time (address
68050D / 68050E).
Italy: See Note 2.
20 ms Detection is disabled if
this contains FF.
20 ms
20 ms
20 ms
Hz (BCD) If both addresses contain
FF(H), tone detection is
disabled.
Hz (BCD) If both addresses contain
FF(H), tone detection is
disabled.
Hz (BCD) If both addresses contain
FF(H), tone detection is
disabled.
Hz (BCD) If both addresses contain
FF(H), tone detection is
disabled.
B003/B004/B006/B007