Ricoh B264 Service Manual page 844

NCU PARAMETERS
Address
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
6805E0 Maximum wait time for post
bit 3 message
B779
Function
92
Unit
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
0: 12 s 1: Maximum wait time for
post message
1: 30 s
(EOP/EOM/MPS) can be
changed to 30 s.
Change this bit to "1" if
communication errors
occur frequently during
V.17 reception.
Remarks
SM