Ricoh M052, Service Manual

Page: 625 / 661

Dedicated Transmission Parameters
SM 119 M381
Fax Op
tion
T
y
pe SP5200
(M38
1)
5-7
Cable equalizer
Bit 7: 0, Bit 6: 0, Bit 5: 0 = None
Bit 7: 0, Bit 6: 0, Bit 5: 1 = Low
Bit 7: 0, Bit 6: 1, Bit 5: 0 = Medium
Bit 7: 0, Bit 6: 1, Bit 5: 1 = High
Bit 7: 1, Bit 6: 1, Bit 5: 1 = Disabled
Use a higher setting if there is signal
loss at higher frequencies because
of the length of wire between the
modem and the telephone exchange
when calling the number stored in
this Quick/Speed Dial.
Also, try using the cable equalizer if
one or more of the following
symptoms occurs.
Communication error with error
codes such as 0-20, 0-23, etc.
Modem rate fallback occurs
frequently.
ƒ
Do not use settings other
than listed on the left.
If the setting is "Disabled", the bit
switch setting is used.
Switch 02
No FUNCTION COMMENTS
0-3
Initial Tx modem rate
If training with a particular remote terminal
always takes too long, the initial modem rate
may be too high. Reduce the initial Tx
modem rate using these bits.
For the settings 14.4 or kbps slower, Switch
04 bit 4 must be changed to 0.
ƒ
Do not use settings other than listed
on the left. If the setting is
"Disabled", the bit switch setting is
used.
Bit3 Bit2 Bit1 Bit0 bps
0 0 0 0 Not used
0 0 0 1 2400
0 0 1 0 4800
0 0 1 1 7200
0 1 0 0 9600
0 1 0 1 12000
0 1 1 0 14400
0 1 1 1 16800