Ricoh LD013, Service Manual

Page: 470 / 513

F
ax Un
it
B4
04
NCU PARAMETERS
SM 5-53 B404
Address Function Unit Remarks
6804B7 PABX: Tx level from the modem - dBm
6804B8 PABX: 1100 Hz tone transmission
level - N
6804B7
- 0.5N
6804B8
(dB)
6804B9 PABX: 2100 Hz tone transmission
level - N 6804B7 - 0.5N 6804B9 (dB)
6804BA ISDN: Tx level from the modem - dBm The setting must be
between -12dBm and -
15dBm.
6804BB ISDN: 1100 Hz tone transmission
level - N
6804BA
- 0.5N
6804BB
(dB)
6804BC ISDN: 2100 Hz tone transmission
level - N
6804BA
- 0.5N
6804BC
(dB)
6804BD Modem turn-on level (incoming
signal detection level) -37-0.5N
(dBm)
6804BE
to
6804C6
Not used Do not change the
settings.
6804C7 Bits 0 to 3 – Not used.
Bit 4 – V.34 protocol dump 0: Simple, 1: Detailed (default)
Bits 5 to 7 – Not used.
6804C8
to
6804D9
Not used Do not change the
settings.
6804DA T.30 T1 timer 1 s See Note 9.
6804E0
bit 3
Maximum wait time for post
message 0: 12 s
1: 30 s 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.