IEI Integration NANO-9452 v4.02 - Manual (Page 95)

NANO-9452 EPIC Motherboard
Page 77
Figure 5-11: Clear CMOS Jumper
5.4.4 COM 2 Function Select Jumper
Jumper Label: JP1
Jumper Type: 3-pin header
Jumper Settings: See Table 5-5
Jumper Location: See Figure 5-12
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 5-12.
COM 2 Function Select Description
Short 1-2 RS-232 Default
Short 3-4 RS-422
Short 5-6 RS-485
Table 5-5: COM 2 Function Select Jumper Settings
The COM 2 Function Select jumper location is shown in Table 5-5.