Ricoh FAX2000L Service Manual page 109

NCU PARAMETERS
Address
807F5E Progress tone detection level, and
cadence detection enable flags
807F5F Not used
to
807F64
807F65 Inter-city dial prefix (high)
807F66 Inter-city dial prefix (low)
807F67 Not used
to
807F68
807F69 Distinctive ring
807F6A Distinctive ring minimum off time
807F6B Distinctive ring maximum one cycle
time
807F72 Acceptable ringing signal
frequency: range 1, upper limit
807F73 Acceptable ringing signal
frequency: range 1, lower limit
807F74 Acceptable ringing signal
frequency: range 2, upper limit
807F75 Acceptable ringing signal
frequency: range 2, lower limit
807F76 Number or rings until a call is
detected
807F77 Minimum required length of the first
ring
807F78 Minimum required length of the
second and subsequent rings
807F79 Ringing signal detection reset time
(low)
807F7A Ringing signal detection reset time
(high)
807F7B Not used
to
807F80
807F81 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
4-42
Unit
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 3.
Do not change these
settings.
BCD For a code of 0:
BCD 807F65 - FF
807F66 - 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).
20 ms See Note 5. Function 09
(parameter 07).
20 ms Function 08 (parameter
08).
20 ms Function 08 (parameter
09).
Function 08 (parameter
10).
Do not change these
settings.
20 ms Factory setting: 500 ms
30 November, 1999
Remarks