Ricoh M281 Series Service Manual page 959

Sweden 10
Switzerland 11
# RAM Function
Addr.
01 6805B4 PSTN: Tx level from the modem
02 680572 Acceptable ringing signal
frequency: range 1, upper limit
03 680573 Acceptable ringing signal
frequency: range 1, lower limit
04 680574 Acceptable ringing signal
frequency: range 2, upper limit
05 680575 Acceptable ringing signal
frequency: range 2, lower limit
06 680576 Number of rings until a call is
detected
07 680577 Minimum required length of the first
ring
08 680578 Minimum required length of the
second and subsequent rings
09 680579 Ringing signal detection reset time
(LOW)
10 68057A Ringing signal detection reset time
(HIGH)
11 68054A Time between opening or closing
the DO relay and opening the
OHDI relay
12 68054B Break time for pulse dialing
SM
0A Korea
0B Brazil
Unit
-N – 3 dBm SP2-103-002
1000/ N
(Hz).
1
20 ms
20 ms
20 ms
1 ms
1 ms
125
NCU Parameters
28 1C
29 1D
Remarks
SP2-103-003
SP2-103-004
SP2-103-005
SP2-103-006
SP2-103-007
The setting must not
be zero.
See Note B.
SP2-103-008
SP2-103-009
SP2-103-010
SP2-103-011
See Notes A, D and
E. SP2-103-012
See Note A.
SP2-103-013
D255/D256 FAX OPTION