Black Box IC187C, IC133C-R2 Baud Rates and Divisors for the Div1 Mode, Clocking mode divide by

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 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

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