Name: Advantech PCA-6145B
Brand: Advantech
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Chapter 2 Connecting peripherals 21

RS-232/422/485 connection (COM2)

COM2 is an RS-232/422/485 serial port. The specific port type

is determined by jumper settings JP35 - JP39, as detailed in

Chapter 1. The following table shows the pin assignments for

COM2.

RS-232/485 connector pin assignments

Pin RS-232 RS-422/485

1 DCD TX - or send data - (DTE)

2 RX TX + or send data + (DTE)

3 TX RX + or receive data + (DTE)

4 DTR RX - or receive data - (DTE)

5 GND GND

6 DSR

7 RTS

8 CTS

9RI

COM 2

5 4 3 2 1

NC 9 8 7 6

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Advantech PCA-6145B Specifications

General