Ricoh M160, Service Manual

Page: 774 / 836

NCU Parameters
SM 118 M160/M161 Fax Option
Address Function Unit Remarks
680552
Tone attenuation level of DTMF
signals while dialing
-N x 0.5
–3.5 dBm
SP2-103-020 (parameter
19).
See Note 5.
680553
Tone attenuation value
difference between high
frequency tone and low
frequency tone in DTMF signals
-dBm x 0.5
SP2-103-021 (parameter
20).
The setting must be less
than –5dBm, and should not
exceed the setting at
680552h above.
See Note 5.
680554
PSTN: DTMF tone attenuation
level after dialing
-N x 0.5
–3.5 dBm
SP2-103-022 (parameter
21). See Note 5.
680555
ISDN: DTMF tone attenuation
level after dialing
-dBm x 0.5 See Note 5.
680556 Not used - Do not change the settings.
680557
Time between 68054Dh (NCU
parameter 14) and 68054Eh
(NCU parameter 15)
1 ms
This parameter takes effect
when the country code is
set to France.
680558 Not used - Do not change the setting.
680559
Grounding time (ground start
mode)
20 ms
The Gs relay is closed for
this interval.
68055A Break time (flash start mode) 1 ms
The OHDI relay is open for
this interval.
68055B
International dial access code
(High)
BCD
For a code of 100:
68055B - F1
68055C - 00
68055C
International dial access code
(Low)