Ricoh A250 Service Manual page 522

NCU PARAMETERS
Address
6804A1 Acceptable CED detection
frequency upper limit (high byte)
6804A2 Acceptable CED detection
frequency upper limit (low byte)
6804A3 Acceptable CED detection
frequency lower limit (high byte)
6804A4 Acceptable CED detection
frequency lower limit (low byte)
6804A5 CED detection time
6804A6 Acceptable CNG detection
frequency upper limit (high byte)
6804A7 Acceptable CNG detection
frequency upper limit (low byte)
6804A8 Acceptable CNG detection
frequency lower limit (high byte)
6804A9 Acceptable CNG detection
frequency lower limit (low byte)
6804AA Not used
6804AB CNG on time
6804AC CNG off time
Number of CNG cycles required for
6804AD
detection
6804AE Not used
6804AF Acceptable AI short protocol tone
(800Hz) detection frequency upper
limit (high byte)
6804B0 Acceptable AI short protocol tone
(800Hz) detection frequency upper
limit (low byte)
6804B1 Acceptable AI short protocol tone
(800Hz) detection frequency lower
limit (high byte)
6804B2 Acceptable AI short protocol tone
(800Hz) detection frequency lower
limit (low byte)
6804B3 Detection time for 800 Hz AI short
protocol tone
6804B4 PSTN: Tx level from the modem
6804B5 PSTN: 1100 Hz tone transmission
level
6804B6 PSTN: 2100 Hz tone transmission
level
6804B7 PABX: Tx level from the modem
A250
Function
4-60
Unit
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.
BCD (Hz) If both addresses
contain FF(H), tone
detection is disabled.
Do not change the
setting.
20 ms Factory setting: 500 ms
20 ms Factory setting: 200 ms
The data is coded in the
same way as address
680433.
Do not change the
settings.
Hz (BCD) If both addresses
contain FF(H), tone
detection is disabled.
Hz(BCD) If both addresses
contain FF(H), tone
detection is disabled.
20 ms Factory setting: 360 ms
- dBm Function 06-2
(parameter 01).
- N - 0.5N
6804B4 6804B5
See Note 7.
- N - 0.5N
6804B4 6804B6
See Note 7.
- dBm
Remarks
(dB)
(dB)
SM