NCU PARAMETERS
SM 5-35 B465
Fax Unit
B465
Address Function Unit Remarks
40141B PABX dial tone detection time
40141C PABX dial tone reset time (LOW)
40141D PABX dial tone reset time (HIGH)
40141E PABX dial tone continuous tone time
40141F PABX dial tone permissible drop time
If 40141B contains FF,
the machine pauses for
the pause time (401420 /
401421).
401420 PABX wait interval (LOW)
401421 PABX wait interval (HIGH)
20 ms
401422 PABX ringback tone detection time
401423 PABX ringback tone off detection
time
20 ms If both addresses contain
FF(H), tone detection is
disabled.
401424 PABX detection time for silent
period after ringback tone detected
(LOW)
20 ms If both addresses contain
FF(H), tone detection is
disabled.
401425
PABX detection time for silent
period after ringback tone detected
(HIGH)
20 ms
If both addresses contain
FF(H), tone detection is
disabled.
401426 PABX busy tone frequency upper
limit (high byte)
401427 PABX busy tone frequency upper
limit (low byte)
Hz (BCD) If both addresses contain
FF(H), tone detection is
disabled.
401428
PABX busy tone frequency lower
limit (high byte)
401429
PABX busy tone frequency lower
limit (low byte)
Hz (BCD)
If both addresses contain
FF(H), tone detection is
disabled.
40142A Busy tone ON time: range 1
40142B Busy tone OFF time: range 1
40142C Busy tone ON time: range 2
40142D Busy tone OFF time: range 2
40142E Busy tone ON time: range 3
40142F Busy tone OFF time: range 3
401430 Busy tone ON time: range 4
401431 Busy tone OFF time: range 4
401432 Busy tone continuous tone detection
time
20 ms
401433
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
0 0 75% Bits 2 and 3 must always
0 1 50% be kept at 0.
1 0 25%
1 1 12.5%
Bits 7, 6, 5, 4: number of cycles required for cadence detection
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