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3 com 2 function select jumper – IEI Integration NANO-9452 v1.00 User Manual

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NANO-9452 EPIC Motherboard

Page 80

Figure 5-10: Clear CMOS Jumper

5.4.3 COM 2 Function Select Jumper

Jumper Label:

JP1

Jumper Type:

3-pin header

Jumper Settings:

See Table 5-4

Jumper Location:

See Figure 5-11

The COM 2 Function Select jumper sets the communication protocol used by the second

serial communications port (COM 2) as RS-232, RS-422 or RS-485. The COM 2 Function

Select settings are shown in Figure 5-11.

COM 2 Function Select

Description

Short 1-2

RS-232 Default

Short 3-4

RS-422

Short 5-6

RS-485

Table 5-4: COM 2 Function Select Jumper Settings

The COM 2 Function Select jumper location is shown in Table 5-4.