Moxa Technologies 1110 user manual UPort DB9 Pin Assignments, Terminal Block Pin Assignments

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Pin Assignments

UPort DB9 Pin Assignments

The UPort 1110 and UPort 1130 use male DB9 connectors. Pin assignments are shown in the following diagram:

 

 

 

 

 

 

 

UPort 1110

UPort 1130

DB9 (male)

Pin

RS-232

RS-422

2-wire RS-485

4-wire RS-485

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

DCD (in)

TxD-(A)

-

1

 

5

2

RxD (in)

TxD+(B)

-

 

3

TxD (out)

RxD+(B)

Data+(B)

 

 

 

 

 

 

 

 

 

 

 

 

4

DTR (out)

RxD-(A)

Data-(A)

 

 

 

 

 

 

 

 

 

 

 

 

5

GND

GND

GND

 

 

 

 

 

 

 

 

 

 

 

 

6

DSR (in)

-

-

6

9

 

 

7

RTS (out)

-

-

 

 

 

 

 

 

 

 

 

 

 

 

8

CTS (in)

-

-

Terminal Block Pin Assignments

The UPort 1130 comes with a DB9 to terminal block converter, with pin assignments as shown below:

Terminal Block

Pin

RS-422

2-wire RS-485

4-wire RS-485

 

 

 

 

1

TxD+(B)

-

 

2

TxD-(A)

-

 

3

RxD+(B)

Data+(B)

 

4

RxD-(A)

Data-(A)

 

5

GND

GND

Note that the converter maps pin 1 on the DB9 connector to pin 2 on the terminal block, and pin 2 on the DB9 connector to pin 1 on the terminal block.

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Contents UPort 1110 and 1130 User’s Manual Copyright Notice Table of Contents Introduction Product Features Package ChecklistOverview USB Product SpecificationsUPort LED IndicatorsInstallation and Configuration Initial Driver Installation Page Page Windows 98 and Windows Hardware InstallationWindows XP and Windows Page Page Page Page Page Configuring the COM Port Configuring the Adaptor Page Removing the Adaptor Uninstalling the Driver Page UPort DB9 Pin Assignments Pin AssignmentsTerminal Block Pin Assignments Service Information Moxa Internet Services UPort 1110 UPort Problem Report FormProduct Return Procedure