Ricoh B121 Service Manual page 494

NCU PARAMETERS
Address
680557 Time between 68054Dh (NCU
parameter 14) and 68054Eh (NCU
parameter 15)
680558 Not used
680559 Grounding time (ground start mode)
68055A Break time (flash start mode)
68055B International dial access code (High)
68055C International dial access code (Low)
68055D PSTN access pause time
68055E Progress tone detection level, and
cadence detection enable flags
68055F Not used
to
680564
680565 Long distance call prefix (HIGH)
680566 Long distance call prefix (LOW)
680567 Not used
to
680571
680572 Acceptable ringing signal frequency:
range 1, upper limit
680573 Acceptable ringing signal frequency:
range 1, lower limit
680574
Acceptable ringing signal frequency:
range 2, upper limit
680575 Acceptable ringing signal frequency:
range 2, lower limit
B620
Function
56
Unit
1 ms This parameter takes
effect when the country
code is set to France.
Do not change the
setting.
20 ms The Gs relay is closed for
this interval.
1 ms
The OHDI relay is open
for this interval.
BCD For a code of 100:
68055B - F1
68055C - 00
20 ms This time is waited for
each pause input after
the PSTN access code. If
this address contains
FF[H], the pause time
stored in address 68054F
is used.
Do not set a number
more than 7 in the UK.
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 2.
Do not change the
settings.
BCD
For a code of 0:
680565 - FF
BCD
680566 - F0
Do not change the
settings.
1000/ N SP2-103-2
(Hz).
SP2-103-3
SP2-103-4
SP2-103-5
Remarks
B620