Ricoh B089 Service Manual page 701

Address
680576 Number of rings until a call is
detected
680577
Minimum required length of the first
ring
680578 Minimum required length of the
second and subsequent rings
680579 Ringing signal detection reset time
(LOW)
68057A Ringing signal detection reset time
(HIGH)
68057B Not used
to
680580
680581 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.
680582 Bits 0 and 1 - Handset off-hook detection time
Bit 1 0 Setting
0 0 200 ms
0 1 800 ms
Other Not used
Bits 2 and 3 - Handset on-hook detection time
Bit 3 2 Setting
0 0 200 ms
0 1 800 ms
Other Not used
Bits 4 to 7 - Not used
680583 Not used
to
6805A0
6805A1 Acceptable CED detection frequency
upper limit (high byte)
6805A2 Acceptable CED detection frequency
upper limit (low byte)
6805A3 Acceptable CED detection frequency
lower limit (high byte)
6805A4 Acceptable CED detection frequency
lower limit (low byte)
6805A5 CED detection time
6805A6 Acceptable CNG detection frequency
upper limit (high byte)
6805A7 Acceptable CNG detection frequency
upper limit (low byte)
SM
Function
3-61
NCU PARAMETERS
Unit Remarks
1 SP2-103-6
The setting must not be
zero.
20 ms See Note 4.
SP2-103-7
20 ms SP2-103-8
20 ms SP2-103-9
SP2-103-10
Do not change the
settings.
20 ms Factory setting: 500 ms
Do not change the
settings.
BCD (Hz) If both addresses contain
FF(H), tone detection is
disabled.
BCD (Hz) If both addresses contain
FF(H), tone detection is
disabled.
20 ms Factory setting: 200 ms
± 20 ms
BCD (Hz) If both addresses contain
FF(H), tone detection is
disabled.
B576