Ricoh B205 Service Manual page 741

NCU PARAMETERS
Address
6805A8 Acceptable CNG detection frequency
lower limit (high byte)
6805A9 Acceptable CNG detection frequency
lower limit (low byte)
6805AA Not used
6805AB CNG on time
6805AC CNG off time
6805AD Number of CNG cycles required for
detection
6805AE Not used
6805AF Acceptable AI short protocol tone
(800Hz) detection frequency upper
limit (high byte)
6805B0 Acceptable AI short protocol tone
(800Hz) detection frequency upper
limit (low byte)
6805B1
Acceptable AI short protocol tone
(800Hz) detection frequency lower
limit (high byte)
6805B2 Acceptable AI short protocol tone
(800Hz) detection frequency lower
limit (low byte)
6805B3 Detection time for 800 Hz AI short
protocol tone
6805B4 PSTN: Tx level from the modem
6805B5 PSTN: 1100 Hz tone transmission
level
6805B6 PSTN: 2100 Hz tone transmission
level
6805B7 PABX: Tx level from the modem
6805B8 PABX: 1100 Hz tone transmission
level
6805B9 PABX: 2100 Hz tone transmission
level
6805BD Modem turn-on level (incoming
signal detection level)
6805BE Not used
to
6805C6
6805C7 Bits 0 to 3 – Not used.
Bit 4 – V.34 protocol dump 0: Simple, 1: Detailed (default)
Bits 5 to 7 – Not used.
6805C8 Not used
to
6805D9
6805DA T.30 T1 timer
SM
Function
91
Unit Remarks
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: 3000 ms
The data is coded in the
same way as address
680533.
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
-N – 3 dBm SP2-103-002 (parameter
01).
- N 6805B4 - 0.5N 6805B5 –3.5 (dB)
See Note 7.
- N6805B4 - 0.5N 6805B6 –3 (dB)
See Note 7.
- dBm
- N 6805B7 - 0.5N 6805B8 (dB)
- N 6805B7 - 0.5N 6805B9 (dB)
-37-0.5N
(dBm)
Do not change the
settings.
Do not change the
settings.
1 s
B766