App. 4-45
Confidential
WSW40 (V.34 modem settings)
sec.: second(s)
Note: WSW40 takes effect only when the V.34 mode is permitted (WSW19, selector 7) in
models supporting V.34 mode.
• Selectors 3 through 8: Masking of symbol rate(s)
These selectors allow you to limit the transmission speed range in V.34 mode by masking
the desired symbol rate(s). Transmission speeds assigned to the symbol rates are listed on
the next page. The setting made by these selectors will limit the setting made by selectors 1
through 4 on WSW39.
If selector 3 is set to "1" to mask the 3429 symbols/second when the first transmission
speed choice is 33,600 bps (specified by selectors 1 through 4 of WSW39), for example,
then the allowable maximum transmission speed will be limited to 31,200 bps. If selector 8
is set to "1" to mask the 2400 symbols/second when the first transmission speed choice is
33,600 bps, then the allowable maximum transmission speed remains 33,600 bps.
If selector 8 is set to "1" to mask the 2400 symbols/second when the first transmission
speed choice is 21,600 bps (specified by selectors 1 through 4 on WSW39), then the
allowable maximum transmission speed remains 21,600 bps but the minimum transmission
speed will be limited to 4,800 bps.
Selector
No.
Function Setting and Specifications
1
2
Not used.
3
|
8
Masking of symbol rate(s)
Not masking Masking
No. 3 0 1 3429 symbols/sec
No. 4 0 1 3200 symbols/sec
No. 5 0 1 3000 symbols/sec
No. 6 0 1 2800 symbols/sec
No. 7 - - Not used.
No. 8 0 1 2400 symbols/sec
Symbol rate Transmission speed
(bps)
Symbol rate Transmission speed
(bps)
Symbol rate Transmission speed
(bps)
2400 2,400 3000 4,800 3429 4,800
4,800 7,200 7,200
7,200 9,600 9,600
9,600 12,000 12,000
12,000 14,400 14,400
14,400 16,800 16,800
16,800 19,200 19,200
19,200 21,600 21,600
21,600 24,000 24,000
2800 4,800 26,400 28,800
7,200 28,800 31,200
9,600 3200 4,800 33,600
12,000 7,200
14,400 9,600
16,800 12,000
19,200 14,400
21,600 16,800
24,000 19,200
26,400 21,600
24,000
26,400
28,800
31,200
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