5 com5 rs-232/422/485 serial port select jumper – IEI Integration PPC-WIDS-51xxA-G41 User Manual
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PPC-51xxA-G41/WIDS-51xA-G41 Panel PC
Page 39
The COM1 to COM5 Pin 9 Setting jumper locations are shown in Figure 4-3 below.
Figure 4-3: COM1 to COM5 Pin 9 Setting Jumper Locations
4.5.5 COM5 RS-232/422/485 Serial Port Select Jumper
Jumper Label:
UART_SEL1 and UART_SEL2
Jumper Type:
12-pin header and 8-pin header
Jumper Settings:
Jumper Location:
The COM5 RS-232/422/485 Serial Port Select jumper sets the communication protocol
used by the second serial communications port (COM5) as RS-232, RS-422 or RS-485.
The COM5 RS-232/422/485 Serial Port Select settings are shown in Table 4-5.
COM1 Mode
UART_SEL1
UART_SEL2
RS-232 (Default)
Short 1-2
Short 1-2, 4-5, 7-8, 10-11
RS-422
Short 3-4
Short 2-3, 5-6, 8-9, 11-12
RS-485
Short 5-6
Short 2-3, 5-6, 7-8, 10-11
RS-485 (RTS Control) Short 5-6, 7-8
Short 2-3, 5-6, 7-8, 10-11
Table 4-5: COM5 RS-232/422/485 Serial Port Select Jumper Settings
The COM5 RS-232/422/485 Serial Port Select jumper location is shown in Figure 4-4.