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Recommended Accessories

Industrial DIN Rail

Power Supply

Model# MDR-20-24

RS-232 3-Stage

Surge Protector

Model# 232HESP

Document Number – 710-10579-00_r1_232OPDRi_0618qsg

1 (888) 948-2248  |  

Europe:

 +353 91 792444

www.advantech-bb.com

 

707 Dayton Road | PO Box 1040 | Ottawa, IL 61350

Phone: (815) 433-5100 | Fax:  (815) 433-5109

www.advantech-bb.com | E-mail: [email protected]

Before you begin, be  

sure you have the following:

Model 232OPDRI

RS-232 Repeater with 3-Way Isolation

Fast and easy on the web:

 

www.advantech-bb.com 

+ 232OPDRI Isolated Repeater

+ Required but not included:

 

- 10 to 48 VDC Power Supply

 

- Two RS-232 Cables

 

- Ground Cable

QUICK START

GUIDE

Troubleshooting

4

Are My Devices Wired As DTE or DCE?  

How to check:

1. Use Rule of Thumb 

- If the device plugs into the 

computer serial port and works normally, the 

device is wired as DCE (or the connection cable is 

a crossover type that makes it work as a DCE).

  

If the device connects to the computer port using a 

“null modem” crossover cable, it is wired as DTE.

2. Use RS-232 Line Tester

 - A quick and easy way 

to determine the DTE/DCE port type is to use an 

RS-232 line tester such as the 9PMTT. The tester 

can show the signal state of any active RS-232 data 

lines using LEDs lighting Red or Green. Active data 

lines are output from a device. They may be either 

High or Low.

POWER, INPUT AND OUTPUT (I/O) WIRING 

MUST BE IN ACCORDANCE WITH CLASS 

I, DIVISION 2 WIRING METHODS [ARTICLE 

501.10(B) OF THE NATIONAL ELECTRICAL 

CODE, NFPA 70] AND IN ACCORDANCE WITH 

THE AUTHORITY HAVING JURISDICTION.

WARNING – EXPLOSION HAZARD – 

SUBSTITUTION OF COMPONENTS MAY IMPAIR 

SUITABILITY FOR CLASS I, DIVISION 2.

ATTENTION - DANGER D’EXPLOSION - LA 

SUBSTITUTION DE COMPOSANTS PEUT 

ENTRAÎNER UNE ADÉQUATION À LA CLASSE I, 

DIVISION 2.

WARNING – EXPLOSION HAZARD – WHEN IN 

HAZARDOUS LOCATIONS, TURN OFF POWER 

BEFORE REPLACING OR WIRING MODULES.

5

UL Class1/Division 2

Warning Information

ATTENTION - DANGER D’EXPLOSION - 

LORSQU’IL EST DANS DES ENDROITS 

DANGEREUX, COUPER L’ALIMENTATION AVANT 

DE REMPLACER OU DE RACCORDER LES 

MODULES.

WARNING – EXPLOSION HAZARD – DO NOT 

DISCONNECT EQUIPMENT UNLESS POWER 

HAS BEEN SWITCHED OFF OR THE AREA IS 

KNOWN TO BE NONHAZARDOUS.

ATTENTION - DANGER D’EXPLOSION - NE PAS 

DÉCONNECTER L’ÉQUIPEMENT PENDANT 

QUE LE CIRCUIT EST VIVANT OU À MOINS 

QUE LA ZONE NE SAIT ÊTRE EXEMPTE DE 

CONCENTRATIONS IGNIFIABLES.

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