IEI Integration PPC-5152-D525 v1.02 - Manual (Page 61)

PPC-5152-D525 Falt-bezel Panel PC
Page 47
3.11.6 RS-232/422/485 Serial Port (COM3)
CN Label: COM3
CN Type: DB-9 connector
CN Location: See
6
Figure 1-4
CN Pinouts: See
6
Table 3-4 and
6
Figure 3-33
An RS-232/422/485 device can be connected to the RS-232/422/485 serial port on the
bottom panel. The pinouts of the RS-232/422/485 serial port is shown below.
Figure 3-33: RS-232/422/485 Serial Port
Pin RS-232 RS-422 RS-485
1 DCD RX+
2 RXD RX-
3 TXD TX+ DATA+
4 DTR TX- DATA-
5 GND
6 DSR
7 RTS
8 CTS
9 RI
Table 3-4: RS-232/422/485 Serial Port Pinouts
To install the RS-232/422/485 devices, follow the steps below.
Step 1: Locate the DB-9 connector. The locations of the DB-9 connectors are shown in
6
Figure 1-4 .