EDL300T

125MbpsFiberOptic

OptoLock®Transceiver

DataSheet



EDL300TRevisionD

1

OBSOLETE

* For new designs please see part numbers: FB2M5KVR

(2.2 mm POF)

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.

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.

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flexibilityofPOFreducesinstallationcosts

toaminimum.

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.

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

FEATURES

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

POF

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

 Compatible

withIEEE802.3uFastEther

net

datacom

municationsstandard

 LogicinterfacecompatiblewithbothLVD

(Low‐Voltage��Differential

Signaling)and

CML

(Current‐ModeLogic)

 Integra

tedCMOSLEDdriverIC

 Mechanicallyandelectric

allyinterchangeable

withFirecom

ms‐enabledSMIconnector

 High‐spee

dResonantCavityLEDatred6

50nm

withsmall

emissionaperturesuitablef

orPOF

 Integra

tedhigh‐sensitivityreceiverICandpin‐

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

sion

 Integra

tedopticstoefficientlyfocusanddirect

light

 Opti

mizedforhigh‐speedFastEthern

 RoHScompli

APPLICATIONS

Table2

APPLICATIONS

Application IndustrialandRoboticLinks

Standard LVDSBus

Distance 50metersStepIndexPOF

[1]



Speed 250Mbps

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



EDL300TRevisionD

2



SPECIFICATIONS 





FIGURE1

Transceiverpin‐out,topview



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



Table4

REGULATORYCOMPLIANCE



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



IEC60825‐1 LEDClass1



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

 