2-PORT RS-232/422/485 PCI HOST ADAPTER
To enable the Adapter to reach its maximum possible data rate, 460.8 Kbps, place the jumper in the “divide by 1” position (marked DIV1).
DIV1
DIV2
DIV4
Figure 3-10. Clocking mode “divide by 1.”
3.6 Baud Rates and Divisors for the “Div1” Mode
The following table shows some common data rates and the rates you should choose to match them if you’re using the Adapter in the “Div1” mode.
Table
For this Data Rate | Choose this Data Rate |
|
|
1200 bps | 300 bps |
|
|
2400 bps | 600 bps |
|
|
4800 bps | 1200 bps |
|
|
9600 bps | 2400 bps |
|
|
19.2 kbps | 4800 bps |
|
|
57.6 kbps | 14.4 kbps |
|
|
115.2 kbps | 28.8 kbps |
|
|
230.4 kbps | 57.6 kbps |
|
|
460.8 kbps | 115.2 kbps |
|
|
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