Owner manual

PPC-37xx-N270 Panel PC
Page 48
Figure 4-18: Clear CMOS Jumper
4.12.6 COM 2 Function Select Jumper
Jumper Label: JP1
Jumper Type:
6-pin header
Jumper Settings:
See
Table 4-6
Jumper Location:
See
Figure 4-19
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
Table 4-6.
COM 2 Function Select Description
Short 1-2 RS-232 Default
Short 3-4 RS-422
Short 5-6 RS-485
Table 4-6: COM 2 Function Select Jumper Settings
The COM 2 Function Select jumper location is shown in Figure 4-19.