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General Specifications 

Transmission method

Frequency modulated light via two optical fibers

Multimode

1310nm

Single-mode

1310nm/1550nm

Maximum Fiber

Attenuation / Distance*

Single Fiber

Single-mode (8~9/125µm):

Up to 37 mi./60km range

Dual Fiber

Multimode (50/62.5/125µm): 1.25mi./2 km range
Single-mode (9/125µm):

Up to 74 mi./120km range

*Note

: Distances equated using industry standard fiber and connector attenuation. 

Fiber condition, splices and connectors may affect actual range.

Connector Type

ST or SC Multimode or Single-mode

Power Margin

11dB(2Km, M/M), 12dB ~ 35dB (20 ~ 120Km, S/M)

Protocols

RS-232

DB-9 Port (Female)

RS-232

DCD, RXD, TXD, DTR, GND, DSR, RTS, CTS, RI

Signal Isolation

Optical Isolation 3000 Vrms

Baud 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 Watt

DC Input Isolation (In/Out)

1.5KV

Voltage Reversal Protection

Will operate with V+ or V- in either power terminal

Over Current Protection

1.0A (Automatic Recovery)

Temperature

Storage

-40˚C to +85˚C (-40˚F to +185˚F)

Operating

-40˚C to +70˚C (-40˚F to +158˚F)

Dimensions/Mounting

H 4.93” x W 1.20” x D 3.93” (not including DIN clip)
Standard T-35 DIN rail mounting or wall mount with included brackets

Warranty 

Limited Lifetime

 

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

 

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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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