MFC-8220
SERVICE MANUAL
A-25
WSW19 (Transmission speed setting)
Selector
No.
Function Setting and Specifications
1
|
3
First transmission speed choice
for fallback
No. 1 2 3
No. 4 5 6
0 0 0 : 2,400 bps
0 0 1 : 4,800 bps
0 1 0 : 7,200 bps
4
|
6
Last transmission speed choice
for fallback
0 1 1 : 9,600 bps
1 0 0 : 12,000 bps
1 0 1 :
1 1 0 : 14,400 bps
1 1 1 :
7 V. 34 mode 0: Permitted 1: Prohibited
8 V. 17 mode 0: Permitted 1: Prohibited
NOTE:
For the transmission speed setting in V.34 mode, refer to WSW39.
l Selectors 1 through 6: First and last choices of transmission speed for fallback
These selectors are used to set the modem speed range. With the first transmission speed
choice specified by selectors 1 through 3, the machine attempts to establish the transmission
link via the modem. If the establishment fails, the machine automatically steps down to the
next highest speed and attempts to establish the transmission link again. The machine
repeats this sequence while stepping down the transmission speed to the last choice
specified by selectors 4 through 6.
If the modem always falls back to a low transmission speed (e.g., 4,800 bps), set the first
transmission speed choice to the lower one (e.g., modify it from 12,000 bps to 7,200 bps) in
order to deactivate the high-speed modem function and reduce the training time for shorter
transmission time.
Generally, to save the transmission time, set the last transmission speed choice to a higher
one.
l Selector 7: V. 34 mode
This selector determines whether or not the machine communicates with the remote station
in the V. 34 mode when that station supports the V. 34 mode.
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General
Weight and Dimensions
