Accton Technology 1500 manual DB25 RS232 to RJ-45 Converter Connector Pin Assignment

EtherHub 1500 System User’s Guide

DB25 RS232 to RJ-45 Converter Connector Pin Assignment

Description

DTR (Data Terminal Ready)

RxD (Received Data)

TxD (Transmitted Data)

SG (Signal Ground)

RI (Ring Indicator)

CTS (Clear-to-Send)

RTS (Request-to-Send)

DCD (Data Carrier Detected)

DSR (Data Set Ready)

RJ-45 Pin

Mapping

1

2

3

4

5

6

7

8 NC

EH1502s DB25

Connector

20

3

2

7

22

5

4

8

6

Connection from EH1502s 9-Pin Serial Port to PC’s 9-Pin COM Port

EH1502’s 9-Pin

Serial Port

1DCD

2RXD

3TXD

4DTR

5SGND

6DSR

7RTS

8CTS

9RI

---------------- DCD ---------------

<	-------------- TXD ----------------
----------------	RXD --------------	>
----------------	DSR --------------	>
-------------- ---------------
----------------	DTR
----------------	CTS	>
<	-------------- RTS ---------------
-----------------	RI -----------------

PC’s 9-Pin

COM Port

1

3

2

6

5

4

8

7

9

Pin Assignments B-3