Black Box IC187C - Manual (Page 17)

16
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).
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 3-2. Baud Rates for the “Div 1” Mode
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
DIV1
DIV2
DIV4