Owner's manual
AFL-F08A-N270 Panel PC
Page 23
JP10 Description
Short 1-2 COM3 RI Pin use +12 V
Short 3-4 COM3 RI Pin use RI Default
Short 5-6 COM3 RI Pin use +5 V
Table 3-5: COM3 Pin 9 Setting Jumper Settings
The COM1 and COM3 Pin 9 Setting jumper locations are shown in 520H520HFigure 3-9 below.
Figure 3-9: COM1 and COM3 Pin 9 Setting Jumper Locations
3.7.5.1 COM3 RS-422 and RS-485 Pinouts
The pinouts for RS-422 and RS-485 operation of external serial port COM 3 are detailed
below.
COM 3 RS-422 Description
Pin 1 TX-
Pin 2 TX+
Pin 6 RX-
Pin 7 RX+
Table 3-6: RS-422 Pinouts
COM 3 RS-485 Description
Pin 1 Data-