Manual

PCISA-9652 Half-Size CPU Card
Page 86
Figure 5-9: Clear CMOS Jumper
5.4.3 COM 2 Function Select Jumper
Jumper Label: JP2
Jumper Type:
6-pin header
Jumper Settings: See
Table 5-4
Jumper Location: See
Figure 5-10
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 5-10.
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.