EDL300T
125MbpsFiberOptic
OptoLock®Transceiver
DataSheet

EDL300TRevisionC
1
NOT RECOMMENDED FOR NEW DESIGNS
* For new designs please see part numbers: FB2M5K
V
R
(2.2 mm POF), FB2M5BVR (1.5 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simpletermination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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
APPLICATIONS
Table2
APPLICATIONS
Application IndustrialandRoboticLinks
Standard LVDSBus
Distance 50metersStepIndexPOF
[1]
Speed 250Mbps
Note:1.Dependingontheinstallationconditions
EDL300TRevisionC
2
SPECIFICATIONS

1
12
TX
RX
2
3
4
5
6
7
8
9
10
11
IC
IC
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
