Ricoh M160 Service Manual page 771

Address
PABX busy tone frequency
680528
lower limit (high byte)
PABX busy tone frequency
680529
lower limit (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
680532
detection time
Busy tone signal state time tolerance for all ranges, and number of cycles
required for detection (a setting of 4 cycles means that ON-OFF-ON or
OFF-ON-OFF must be detected twice).
Tolerance (±)
680533 Bit 1: 0, Bit 0: 0 = 75% Bits 2 and 3 must always be kept at 0.
Bit 1: 0, Bit 0: 0 = 50% Bits 2 and 3 must always be kept at 0.
Bit 1: 0, Bit 0: 0 = 25%
Bit 1: 0, Bit 0: 0 = 12.5%
Bits 7, 6, 5, 4 - number of cycles required for cadence detection
International dial tone frequency
680534
upper limit (high byte)
International dial tone frequency
680535
upper limit (low byte)
International dial tone frequency
680536
lower limit (high byte)
M160/M161 Fax Option
Function
Hz (BCD)
20 ms
20 ms
Hz (BCD)
Hz (BCD)
115
Unit Remarks
If both addresses contain
FF (H), tone detection is
disabled.
-
If both addresses contain
FF (H), tone detection is
disabled.
If both addresses contain
FF (H), tone detection is
NCU Parameters
SM