Ricoh Type M12, Field Service Manual

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Address Function Unit Remarks
680533
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 (±)
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
680534
International dial tone frequency upper
limit (high byte)
Hz (BCD)
If both addresses contain
FF(H), tone detection is
disabled.
680535
International dial tone frequency upper
limit (low byte)
680536
International dial tone frequency lower
limit (high byte)
Hz (BCD)
If both addresses contain
FF(H), tone detection is
disabled.
680537
International dial tone frequency lower
limit (low byte)
680538 International dial tone detection time
20 ms
If 680538 contains FF, the
machine pauses for the
pause time (68053D /
68053E).
Belgium: See Note 2.
680539 International dial tone reset time (LOW)
68053A
International dial tone reset time
(HIGH)
68053B
International dial tone continuous tone
time
68053C
International dial tone permissible drop
time
68053D International dial wait interval (LOW)
-
68053E International dial wait interval (HIGH)
NCU Parameters
165