Ricoh FAX2900L Service Manual page 127

21 May, 1999
Address
81E55E Progress tone detection level, and
cadence detection enable flags
81E55F Not used
to
81E564
81E565 Inter-city dial prefix (high)
81E566 Inter-city dial prefix (low)
81E567
Not used
to
81E568
81E569 Distinctive ring
81E56A Distinctive ring minimum off time
81E56B Distinctive ring maximum one cycle
time
81E572 Acceptable ringing signal
frequency: range 1, upper limit
81E573 Acceptable ringing signal
frequency: range 1, lower limit
81E574 Acceptable ringing signal
frequency: range 2, upper limit
81E575 Acceptable ringing signal
frequency: range 2, lower limit
81E576 Number or rings until a call is
detected
Minimum required length of the first
81E577
ring
81E578 Minimum required length of the
second and subsequent rings
Ringing signal detection reset time
81E579
(low)
81E57A Ringing signal detection reset time
(high)
81E57B Not used
to
81E580
81E581 Interval between dialing the last
digit and switching the Oh relay
over to the external telephone
when dialing from the operation
panel in handset mode.
Function
4-47
NCU PARAMETERS
Unit Remarks
Bit 7 Bit 6 Bit 5 dBm
0 0 0 -25.0
0 0 1 -35.0
0 1 0 -30.0
1 0 0 -40.0
1 1 0 -49.0
Bits 2, 0 - See Note 4.
Do not change these
settings.
BCD For a code of 0:
BCD 81E565 - FF
81E566 - F0
Do not change these
settings.
Hex 00(H): OFF, 01(H): ON
1ms
20 ms
± 20 ms
1000/ N Function 08 (parameter
(Hz) 02).
Function 08 (parameter
03).
Function 08 (parameter
04).
Function 08 (parameter
05).
1 Function 08 (parameter
06).
See Note 6. Function 09
20 ms
(parameter 07).
20 ms Function 08 (parameter
08).
Function 08 (parameter
20 ms
09).
Function 08 (parameter
10).
Do not change these
settings.
20 ms Factory setting: 500 ms