IEI Integration UPC-12AH_GM45 v1.00 - Manual (Page 58)

UPC-12A/GM45 Panel PC
Page 46
4.10.5 COM4 Function Select Jumper
Jumper Label: JP4 and JP5
Jumper Type: Pin-header
Jumper Settings: See
554H554H
Table 4-5 and
555H555H
Table 4-6
Jumper Location: See
556H556H
Figure 4-14
The COM 4 Function Select jumpers (JP4 and JP5) set the communication protocol used
by the COM4 serial communications port as RS-232, RS-422 or RS-485. The COM 4
Function Select settings are shown in
557H557H
Table 4-5 .
JP4 Description
Short 7-8, 9-10 RS-232
Short 1-3, 2-4, 11-12 RS-422 Default
Short 3-5, 4-6, 13-14 RS-485
Table 4-5: COM4 Function Select Jumper Settings (JP4)
JP5 Description
Short 1-2, 4-5, 7-8, 10-11 RS-232
Short 2-3, 5-6, 8-9, 11-12 RS-422 or RS-485 Default
Table 4-6: COM4 Function Select Jumper Settings (JP5)
The COM4 Function Select jumper locations are shown in
558H558H
Figure 4-14 below.