Ricoh D158 Service Manual page 959

Address
Acceptable AI short protocol tone
6805B2 (800Hz) detection frequency
lower limit (low byte)
Detection time for 800 Hz AI short
6805B3
protocol tone
6805B4 PSTN: Tx level from the modem
PSTN: 1100 Hz tone transmission
6805B5
level
PSTN: 2100 Hz tone transmission
6805B6
level
6805B7 PABX: Tx level from the modem
PABX: 1100 Hz tone transmission
6805B8
level
PABX: 2100 Hz tone transmission
6805B9
level
Modem turn-on level (incoming
6805BD
signal detection level)
6805BE to
Not used
6805C6
Bits 0 to 3 – Not used
6805C7 Bit 4 = V.34 protocol dump
Bits 5 to 7 – Not used.
6805C8 to
Not used
6805D9
6805DA T.30 T1 timer
6805E0 Maximum wait time for post
bit 3 message
SM
Function
20 ms
-N – 3 dBm
- 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)
(dBm)
-
0: Simple, 1: Detailed (default)
-
1 s
0: 12 s
1: 30 s
117
Unit Remarks
Factory setting: 360 ms
SP2-103-002
(parameter 01).
-37-0.5N
Do not change the
settings.
Do not change the
settings.
1: Maximum wait time
for post message
(EOP/EOM/MPS) can
be changed to 30 s.
Change this bit to "1" if
communication errors
occur frequently during
V.17 reception.
NCU Parameters
D702