Ricoh S-C4.5 Field Service Manual page 407

Address
PSTN dial tone frequency upper limit
680504
(high byte)
PSTN dial tone frequency upper limit
680505
(low byte)
PSTN dial tone frequency lower limit
680506
(high byte)
PSTN dial tone frequency lower limit
680507
(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)
PSTN detection time for silent period
680512
after ring-back tone detected (HIGH)
PSTN busy tone frequency upper limit
680513
(high byte)
PSTN busy tone frequency upper limit
680514
(low byte)
Function Unit
If both addresses contain FF
Hz (BCD) (H), tone detection is
disabled.
If both addresses contain FF
Hz (BCD) (H), tone detection is
disabled.
If 680508 contains FF(H),
the machine pauses for the
pause time (address
68050D / 68050E).
20 ms
Italy: See Note 2.
-
Detection is disabled if this
20 ms
contains FF.
20 ms -
20 ms -
20 ms -
If both addresses contain FF
Hz (BCD) (H), tone detection is
disabled.
NCU Parameters
Remarks
211
5