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Connector Pin Assignments

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Installation Guide - AX4020 Office Server 9

4.1.2 - AX4020 Connected to an Ethernet Controller

IMPORTANT: the cable is composed of two twisted pairs. The two wires

TX+ / TX- must belong to one pair and the two wires RX+ / RX- must

belong to the other pair.

4.2 - SERIAL PORTS (CH1 TO CH8)

The 4 serial ports are bi-directional ports (for printers, bar-code readers, touch

screens, etc.):

Chx connector (AX4020 rear panel)

Pin Signal Name Direction

1 RTS (Request To Send) Output

2 DTR (Data Terminal Ready) Output

3 RD (Received Data) Input

4 SG (Signal Ground) ---

5 CTS (Clear To Send) Input

6 TD (Transmitted Data) Output

7 DSR (Data Set Ready) Input

8 DCD (Data Carrier Detect) Input

1 2 ... 7 8 9 10 11 12 13 14 15 16

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