Ricoh FAX2000L Service Manual page 111

NCU PARAMETERS
Address
807FB1 Acceptable AI short protocol tone
(800Hz) detection frequency lower
limit (high byte)
807FB2 Acceptable AI short protocol tone
(800Hz) detection upper frequency
lower limit (low byte)
807FB3 Detection time for 800 Hz AI short
protocol tone
807FB4 PSTN: Tx level from the modem
807FB5 PSTN: 1100 Hz tone transmission
level
807FB6 PSTN: 2100 Hz tone transmission
level
807FB7 PABX: Tx level from the modem
807FB8 PABX: 1100 Hz tone transmission
level
807FB9 PABX: 2100 Hz tone transmission
level
807FBA Not used
to
807FBC
Modem turn-on level (incoming
807FBD
signal detection level)
807FDA T.30 T1 timer
807FE0 Maximum wait time for post
bit 3 message
Function
4-44
Unit
BCD If both addresses contain
(Hz) FF(H), tone detection is
disabled.
20 ms Factory setting: 360 ms
- dBm Function 08 (parameter
01).
- N - 0.5N
807FB4 807FB5
- N - 0.5N
807FB4 807FB6
- dBm
- N - 0.5N
807FB7 807FB8
- N - 0.5N
807FB7 807FB9
Do not change these
settings.
-37-
0.5N
(dBm)
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.
30 November, 1999
Remarks
(dB)
(dB)
(dB)
(dB)