Ricoh B039 Service Manual page 468

Address
680472 Acceptable ringing signal frequency:
range 1, upper limit
680473 Acceptable ringing signal frequency:
range 1, lower limit
680474 Acceptable ringing signal frequency:
range 2, upper limit
680475 Acceptable ringing signal frequency:
range 2, lower limit
680476 Number or rings until a call is
detected
680477 Minimum required length of the first
ring
680478 Minimum required length of the
second and subsequent rings
680479 Ringing signal detection reset time
(LOW)
68047A Ringing signal detection reset time
(HIGH)
68047B Not used
to
680480
680481 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.
680482 Bits 0 and 1 - Handset off-hook detection time
Bit1 0
0 0
0 1
Other Not used
Bits 2 and 3 - Handset on-hook detection time
Bit3 2
0 0
0 1
Other Not used
Bits 4 to 7 - Not used
SM
Function
Setting
200 ms
800 ms
Setting
200 ms
800 ms
5-51
NCU PARAMETERS
Unit Remarks
1000/ N Function 08-0
(Hz). (parameter 02).
See Note 9.
Function 08-0 (parameter
03).
See Note 9.
Function 08-0 (parameter
04).
See Note 9.
Function 08-0 (parameter
05).
See Note 9.
1 Function 08-0 (parameter
06).
The setting must not be
zero.
See Note 9.
20 ms See Note 4.
Function 08-0 (parameter
07).
See Note 9.
20 ms Function 08-0 (parameter
08).
See Note 9.
20 ms Function 08-0 (parameter
09).
See Note 9.
Function 08-0 (parameter
10).
See Note 9.
Do not change the
settings.
20 ms Factory setting: 500 ms
B404