Ricoh D649 Field Service Manual page 122

4. Service Tables
Address
PABX detection time for silent period
680524
after ringback tone detected (LOW)
PABX detection time for silent period
680525
after ringback tone detected (HIGH)
PABX busy tone frequency upper limit
680526
(high byte)
PABX busy tone frequency upper limit
680527
(low byte)
PABX busy tone frequency lower limit
680528
(high byte)
PABX busy tone frequency lower limit
680529
(low byte)
68052A Busy tone ON time: range 1
68052B Busy tone OFF time: range 1
68052C Busy tone ON time: range 2
68052D Busy tone OFF time: range 2
68052E Busy tone ON time: range 3
68052F Busy tone OFF time: range 3
680530 Busy tone ON time: range 4
680531 Busy tone OFF time: range 4
Busy tone continuous tone detection
680532
time
120
Function Unit
20 ms
If both addresses contain
FF(H), tone detection is
disabled.
20 ms
If both addresses contain
Hz (BCD) FF(H), tone detection is
disabled.
If both addresses contain
Hz (BCD) FF(H), tone detection is
disabled.
20 ms
-
20 ms
Remarks