IEI Integration IOVU-752S - Manual (Page 26)

IOVU-752S Panel PC
Page 19
3.3.3.2 RS-232/422/485 Serial Interface Pinouts
Pinouts for the RS-232/422/485 serial port are shown below.
Pin RS-232 RS-422 RS-485
1 RX- DATA-
2 RX RX+ DATA+
3 TX TX-
4
5 GND GND GND
6
7 TX+
8
9
Table 3-6: Serial Port Pinouts
Figure 3–7: Serial Port Pinouts
To select RS-232, RS-422, or RS-485 mode, please follow the directions below.
Step 1: Select "Start > Programs > IEI > IEI CEUTILITY.exe" to run
IEI_CEUTILITY.exe.