Ricoh D158 Service Manual page 957

Address
Acceptable ringing signal
680575
frequency: range 2, lower limit
Number of rings until a call is
680576
detected
Minimum required length of the
680577
first ring
Minimum required length of the
680578
second and subsequent rings
Ringing signal detection reset
680579
time (LOW)
Ringing signal detection reset
68057A
time (HIGH)
68057B
to Not used
680580
Interval between dialing the last
digit and switching the Oh relay
680581 over to the external telephone
when dialing from the operation
panel in handset mode.
Bits 0 and 1 - Handset off-hook detection time
Bit 1:0, Bit 0: 0 = 200 ms
Bit 1:0, Bit 0: 1 = 800 ms
Other Not used
680582 Bits 2 and 3 - Handset on-hook detection time
Bit 3: 0, Bit 2: 0 = 200 ms
Bit 3: 0, Bit 2: 1 = 800 ms
Other Not used
Bits 4 to 7 - Not used
680583
To Not used
6805A0
Acceptable CED detection
6805A1
frequency upper limit (high byte)
SM
Function
1
20 ms
20 ms
20 ms
-
20 ms
-
BCD (Hz)
115
Unit Remarks
SP2-103-006
(parameter 05).
SP2-103-007
(parameter 06).
The setting must not be
zero.
See Note 4.
SP2-103-008
(parameter 07).
SP2-103-009
(parameter 08).
SP2-103-010
(parameter 09).
SP2-103-011
(parameter 10).
Do not change the
settings.
Factory setting: 500 ms
-
Do not change the
settings.
If both addresses
contain FF(H), tone
NCU Parameters
D702