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Xtreme/104 Opto User’s Manual, Connect Tech Inc.

13 Revision 0.05

Baud Rate Selection

The Xtreme/104 Opto is capable of baud rates up to 460.8 kbps (4X oscillator) or 115.2 kbps

(1X oscillator) depending on whether a shorting block is installed across position G on the JB3

jumper block. Please refer to Figure 1 and Figure 2 for a description and location of the jumper

block JB3. Please refer to Table 2 for a list of standard and extended baud rates for the

Xtreme/104 Opto.

Figure 5: Baud rate selection jumper setting example

Example

I/O address/IRQ/Clock

Select jumper block

JB3

Clock select

jumper installed - 460.8 Kbps max.

jumper not installed - 115.2 Kbps max.

Note: You must reset your system when you change

the clock select setting.

Table 2: Baud rates

Standard Baud Rate.

(1X - set in software)

Max. Baud Rate

(4X standard)

50 200

75 300

150 600

300 1200

600 2400

1200 4800

2400 9600

4800 19.2K

7200 28.8K

9600 38.4K

19.2K 76.8K

38.4K 153.6K

57.6K 230.4K

115.2K 460.8K

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