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RLH Industries, Inc. • Tel. 866-DO-FIBER • Fax 714 532-1885 • www.fiberopticlink.com

 

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RS-232

Industrial Media Converter 

 

COMPACT, RUGGED & 
TEMPERATURE HARDENED 

Introduction

 

This Industrial Serial Data media converter transports a full 9-Pin 
RS-232 copper signal over fiber optic cable. This is an ideal 
solution for extending serial data communications over long 
distances or near large electrical equipment. Fiber optics provide 
long distance communication up to 74 mi. (120km) and immunity 
to EMI/RFI and potential transient surges which can cause noise 
or damage equipment. 

The system supports asynchronous serial data rates from 50 bps 
to 1Mbit/s and has an auto-sensing feature that eliminates the 
need to manually set serial data rates. A comprehensive set of 
LEDs on the front panel indicate power status, fiber status, and 
serial data activity. Powering options include standard 24-48VDC 
or high range DC powering of 125VDC. This rugged system is 
designed to operate over a wide operating temperature -40 to 
+70°C and features dual redundant power inputs, and a system 
alarm relay for maximum uptime and reliability. Included is a DIN 
clip and wall mount ears for easy installation into to a wide range 
of environments.  

U-151 2018C-0327

&-) )

Standard Features

Transmits a 9-Pin RS-232 Signal 

Supports baud rates of 50 bps to 1Mbit/s

Selectable DTC/DCE switch for easy installation  

Each Pin is Optically Isolated

Optional Breakout Cable for 3 channels of serial data

Convenient LEDs for power, fiber, and serial signals

ST and SC Connectors, 

Singlemode and Multimode options available 

Extends communication up to 74 mi. (120km) over Fiber

DC power, fiber break, and/or system failure alarm relay 

Rugged design for wide operating temperature

Limited Lifetime warranty 

Made in U.S.A.

The leader in

rugged fiber optic 
technology.

USER GUIDE

RLH Industries, Inc.

RS-232 Industrial Media Converter

Summary of Contents for SED-03-2

Page 1: ...tivity Powering options include standard 24 48VDC or high range DC powering of 125VDC This rugged system is designed to operate over a wide operating temperature 40 to 70 C and features dual redundant power inputs and a system alarm relay for maximum uptime and reliability Included is a DIN clip and wall mount ears for easy installation into to a wide range of environments U 151 2018C 0327 Standar...

Page 2: ...he correct handling and use of any installation equipment used and follow all safety precautions including the use of protective personal equipment as required Caution Severe Shock Hazard Never install during a lightning storm or where unsafe high voltages are present Copper wires may carry high voltages Use caution when handling Do not open the product housing there are no user serviceable parts ...

Page 3: ...le FIBER LINK RS 232 SERIAL DATA FIBER LINK RS 232 SERIAL DATA RLH Industries Inc RS 232 TX RX POWER RX FIBER TX N A N A DTE DCE FIBER DTE Device Computer DCE Device Modem DTE Switch Detail DCE Switch Detail FIBER LINK RS 232 SERIAL DATA FIBER LINK RS 232 SERIAL DATA RLH Industries Inc RS 232 TX RX POWER RX FIBER TX N A N A DTE DCE FIBER DB 9 Serial Cable Straight Thru RS 232 Media Converter RS 23...

Page 4: ...pplication Diagram NOTE 3 Channel DB 9 Breakout Cables split the cables 9 wires into three DB 9 ports using only the 3 pins for sending the RS 232 Signal See DB 9 Breakout Cable section for more pin and cable details FIBER LINK RS 232 SERIAL DATA FIBER LINK RS 232 SERIAL DATA RLH Industries Inc RS 232 TX RX POWER RX FIBER TX N A N A DTE DCE FIBER Channel 3 DCE Device Channel 2 DTE Device Channel 1...

Page 5: ... for attaching to wall optional Physical Layout RLH Industrial Media Converter s user ports switch and LED indicators are located on the front and top panels PWR 1 PWR 2 NO COM NC ALARM FIBER LINK RS 232 SERIAL DATA FIBER LINK RS 232 SERIAL DATA RLH Industries Inc RS 232 TX RX POWER RX FIBER TX N A N A DTE DCE FIBER Front View 4 93 1 20 RS 232 DB 9 Port DIP Switch LED Indicators Fiber Optics Top V...

Page 6: ...the signal input side Single fiber models bi directional combine input and output by using different wavelengths over one fiber Connect fiber cables to correct TX and RX ports On dual fiber models Verify that the TX fiber at one module is connected to the RX port on the opposite end On single fiber systems there will be an A and B side The A side must connect to the B side Do not remove fiber cabl...

Page 7: ...DCE Please use null or straight thru cables to appropriately connect to end devices Consult our application diagrams for deployment examples Detail of Serial Data DB 9 Port FIBER LINK RS 232 SERIAL DATA FIBER LINK RS 232 SERIAL DATA RLH Industries Inc RS 232 FIBER TX RX POWER RX FIBER TX N A N A DTE DCE RLH Industries Inc RS 232 FIBER TX RX POWER RX FIBER TX N A N A DTE DCE 1 5 6 9 DB 9 Port Pinou...

Page 8: ...ROUGH CABLE DCE Device Function Name Pin Signal Direction Pin Name Function Data Carrier Detect DCD 1 1 DCD Data Carrier Detect Receive Data RXD 2 2 RXD Receive Data Transmit Data TXD 3 3 TXD Transmit Data Data Terminal Ready DTR 4 4 DTR Data Terminal Ready Ground Signal GND 5 5 GND Ground Signal Data Set Ready DSR 6 6 DSR Data Set Ready Request to Send RTS 7 7 RTS Request to Send Clear to Send CT...

Page 9: ...event of an outage Follow these steps when attaching wires to power terminals located on the top of the module Check that DC power source voltage matches the accepted voltage range of the device to avoid damaging the unit Disconnect power from the DC power source prior to connecting to the Fiber Link Connect the DC power cables to the terminal pairs labeled PWR 1 or PWR 2 The system is NOT polarit...

Page 10: ...on both ends of the system Make sure single mode equipment is using single mode fiber and multimode equipment is using multimode fiber Check to ensure the fiber path is within the dB Loss and distance specifications of the model being installed TX and RX LED Indicators Off Verify serial data pinouts of each end device The fiber optic media converters must always be set to DTE on one side and DCE o...

Page 11: ...nm 8 9 μm SED 10 2 B 20km 12 4mi Tx 1550nm Rx 1310nm 8 9 μm SED 11 2 A 60km 37mi Tx 1310nm Rx 1550nm 8 9 μm SED 14 2 B 60km 37mi Tx 1550nm Rx 1310nm 8 9 μm SED 15 2 Dual Fiber Single mode SC 20km 12 4mi 1310nm 8 9 μm SED 40 2 60km 37mi 1310nm 8 9 μm SED 41 2 120km 74 mi 1550nm 8 9 μm SED 45 2 Dual Fiber Single mode ST 20km 12 4mi 1310nm 8 9 μm SED 50 2 60km 37mi 1310nm 8 9 μm SED 51 2 120km 74 mi ...

Page 12: ...Rates 50bps 1Mbit s Automatic Detection DIP Switches DCE DTE Specifies the DB 9 Ports Operational Mode DCE or DTE LED POWER DC Power OK See Front Panel LED Indicators section in User Guide for more detailed information FIBER Fiber Connection OK TX RS 232 Copper Transmit RX RS 232 Copper Receive Power Input 24 48VDC or 125VDC nominal Dual redundant power inputs Power Consumption 150mA 24VDC or 3 6 ...

Page 13: ...32 1672 Toll Free 1 800 877 1672 Toll Free 1 866 DO FIBER Fax 714 532 1885 Email info fiberopticlink com Web site www fiberopticlink com RLH Industries Inc 936 N Main Street Orange CA 92867 USA T 714 532 1672 F 714 532 1885 Please contact your RLH sales representative for pricing and delivery information Specifications subject to change without notice RLH Industries Inc Tel 866 DO FIBER Fax 714 53...

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