Ricoh D127 Field Service Manual page 456

5. Appendix: Fax Service Program
Address Function
PSTN busy tone frequency upper limit
680513
(high byte)
PSTN busy tone frequency upper limit
680514
(low byte)
PSTN busy tone frequency lower limit
680515
(high byte)
PSTN busy tone frequency lower limit
680516
(low byte)
PABX dial tone frequency upper limit
680517
(high byte)
PABX dial tone frequency upper limit
680518
(low byte)
PABX dial tone frequency lower limit
680519
(high byte)
PABX dial tone frequency lower limit
68051A
(low byte)
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
680520 PABX wait interval (LOW)
680521 PABX wait interval (HIGH)
680522 PABX ringback tone detection time
680523 PABX ringback tone off detection time
248
Unit Remarks
If both addresses contain
Hz (BCD) FF(H), tone detection is
disabled.
If both addresses contain
Hz (BCD) FF(H), tone detection is
disabled.
If both addresses contain
Hz (BCD) FF(H), tone detection is
disabled.
If both addresses contain
Hz (BCD) FF(H), tone detection is
disabled.
If 68051B contains FF, the
machine pauses for the
pause time (680520 /
680521).
20 ms
-
20 ms If both addresses contain
FF(H), tone detection is
20 ms
disabled.