Ricoh B064 SERIES Service Manual page 1418

NCU PARAMETERS
Address
680501 Line current detection time
680502 Line current wait time
680503 Line current drop detect time
PSTN dial tone frequency upper
680504
limit (high byte)
PSTN dial tone frequency upper
680505
limit (low byte)
PSTN dial tone frequency lower
680506
limit (high byte)
PSTN dial tone frequency lower
680507
limit (low byte)
680508 PSTN dial tone detection time
680509 PSTN dial tone reset time (LOW)
68050A PSTN dial tone reset time (HIGH)
PSTN dial tone continuous tone
68050B
time
PSTN dial tone permissible drop
68050C
time
68050D PSTN wait interval (LOW)
68050E PSTN wait interval (HIGH)
68050F PSTN ring-back tone detection time 20 ms
PSTN ring-back tone off detection
680510
time
PSTN detection time for silent
680511 period after ring-back tone detected
(LOW)
PSTN detection time for silent
680512 period after ring-back tone detected
(HIGH)
PSTN busy tone frequency upper
680513
limit (high byte)
PSTN busy tone frequency upper
680514
limit (low byte)
B819/B820
CÓPIA NÃO CONTROLADA
Function
108
CÓPIA NÃO CONTROLADA
Unit
Line current detection is
disabled.
20 ms
Line current is not
detected if 680501
contains FF.
If both addresses
Hz (BCD) contain FF(H), tone
detection is disabled.
If both addresses
Hz (BCD) contain FF(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 contains FF.
20 ms -
20 ms -
20 ms -
If both addresses
Hz (BCD) contain FF(H), tone
detection is disabled.
Remarks
SM