EDL300T

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125MbpsFiberOptic

OptoLock®Transceiver

DataSheet

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EDL300TRevisionB

1

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DESCRIPTION

Firecomms Ethernet OptoLock® transceiver

combines a pair of Firecomms Fast Ethernet fiber

optic components within a miniature housing to

provideinstantterminationforbarePlasticOptical

Fiber(POF).ThisPOFportsignificantlyquickensand

simplifies the connection of devices in

communicationsandinfotainmentnetworks.

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ThedesignofOptoLockenablesthefiber

tobecut

andterminatedtotheexactrequiredlengthonsite,

allowingeventhemostnoviceconsumertoquickly

andeasilyterminatethebareopticalfiber.

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OptoLock is a RCLED‐based 650 nm fiber optic

solution designed to provide a Fast Ethernet

communication link over POF. Firecomms’ unique

RCLEDs

providehighlevelsoflightcouplingintothe

fiber, with short rise and fall times, enabling

Ethernet‐compliant signaling over large core POF.

The simple termination system in the transceiver

andtheflexi bilityof POFreducesinstallation costs

toaminimum.

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The electrical inputs and outputs are compatible

with low‐voltage

 differential signaling levels for

simpleintegrationwithEthernetPHYchips.

OptoLock is protected by U.S. patents 7,597,485

and 7,905,665, Chinese patents 101501545 A and

102135650Bandotherinternationalpatents.

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AVAILABLEOPTIONS

Table1

ORDERINGINFORMATION/PARTNUMBER

OptoLock®EthernetTransceiver

for2.2mmPOF,Black

EDL300T‐220

OptoLock®EthernetTransceiver

for2.2mmPOF,White

EDL300T‐229

OptoLock®EthernetTransceiver

for1.5mmPOF,Black

EDL300T‐150

OptoLock®EthernetTransceiver

for1.5mmPOF,White

EDL300T‐159

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FEATURES

 Simplelow‐costterminationsolutionforbare

POF

 Versionsavailablefor1.5mmor2.2mmPOF

 CompatiblewithIEEE802.3uFastEthernet

datacommunicationsstandard

 LogicinterfacecompatiblewithbothLVDS

(Low‐VoltageDifferentialSignaling)andCML

(Current‐ModeLogic)

 IntegratedCMOSLEDdriverIC

 Mechanically

andelectricallyinterchangeable

withFirecomms‐enabledSMIconnectors

 High‐speedResonantCavityLEDatred650nm

withsmallemissionaperturesuitableforPOF��

 Integratedhigh‐sensitivityreceiverICandpin‐

diodeforone‐steplight‐to‐digitalconversion

 Integratedopticstoefficientlyfocusanddirect

light

 Optimizedforhigh‐speedFastEthernet

 RoHScompliant

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APPLICATIONS

Table2

APPLICATIONS

Application IndustrialandRoboticLinks

Standard LVDSBus

Distance 50metersStepIndexPOF

[1]

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Speed 250Mbps

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Note:1.Dependingontheinstallationconditions



EDL300TRevisionB

2

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SPECIFICATIONS

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FIGURE1

Transceiverpin‐out,topview

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1. NB:EMIShieldgroundpinsmustbeconnectedtothesignalgroundplane

onthePCB.Thisisimportanttopreventcross‐talkbetweenTXandRXand

alsotoshieldtheFOT’sfromexternalEMI/EMCandESD

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Table4

REGULATORYCOMPLIANCE

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Parameter Symbol Standard Level

StorageCompliance MSL J‐STD‐020E 2a(4‐weekfloorlife)

RestrictionofHazardous

SubstancesDirective

RoHS Directive2011/65/EU Certifiedcompliant

EyeSafety

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IEC60825‐1 LEDClass1

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Table3

TRANSCEIVERPINDESCRIPTION

Pin Name Symbol

 Transmitter 

1 EMIShield

[1]

 GND

2 SignalInput(Negative) TD‐

3 SignalInput(Positive) TD+

4 GroundPin

[1]

 GND

5 DCPowerInputPin3.3V Vcc

6 GroundPin

[1]

 GND

 Receiver 

7 DCPowerInputPin3.3V Vcc

8 GroundPin

[1]

 GND

9 SignalDetectOutput SD

10 DataOutput(Negative) RD‐

11 DataOutput(Positive) RD+

12 EMIShield

[1]

 GND

 