參數(shù)資料
型號(hào): AFCT-57J5ATPZ
元件分類: 光收發(fā)
英文描述: FIBER OPTIC TRANSCEIVER, 1290-1340nm, 3072Mbps(Tx), 3072Mbps(Rx), SURFACE MOUNT, LC CONNECTOR
封裝: ROHS COMPLIANT PACKAGE
文件頁數(shù): 11/18頁
文件大?。?/td> 383K
代理商: AFCT-57J5ATPZ
2
Installation
The AFCT-57J5ATPZ can be installed in any SFF-8074i
compliantSmallFormPluggable(SFP)portregardlessof
hostequipmentoperatingstatus.TheAFCT-57J5ATPZis
hot-pluggable,allowingthemoduletobeinstalledwhile
thehostsystemisoperatingandon-line.Uponinsertion,
the transceiver housing makes initial contact with the
hostboardSFPcage,mitigatingpotentialdamagedue
toElectro-StaticDischarge(ESD).
DigitalDiagnosticInterfaceandSerialIdentification
The2-wireserialinterfaceisbasedonATMELAT24C01A
seriesEEPROMprotocolandsignalingdetail.Convention-
alSFPEEPROMmemory,bytes0-255atmemoryaddress
0xA0, is organized in compliance with SFF-8074i. New
digital diagnostic information, bytes 0-255 at memory
address0xA2,iscomplianttoSFF-8472.Thenewdiag-
nosticinformationprovidestheopportunityforPredic-
tive Failure Identification, Compliance Prediction, Fault
IsolationandComponentMonitoring.
PredictiveFailureIdentification
The AFCT-57J5ATPZ predictive failure feature allows a
host to identify potential link problems before system
performance is impacted. Prior identification of link
problems enables a host to service an application via
“failover”toaredundantlinkorreplaceasuspectdevice,
maintainingsystemuptimeintheprocess.Forapplica-
tionswhereultra-highsystemuptimeisrequired,adigital
SFP provides a means to monitor two real-time laser
metricsassociatedwithobservinglaserdegradationand
predictingfailure:averagelaserbiascurrent(Tx_Bias)and
averagelaseropticalpower(Tx_Power).
CompliancePrediction
Compliance prediction is the ability to determine if an
opticaltransceiverisoperatingwithinitsoperatingand
environmental requirements. AFCT-57J5ATPZ devices
provide real-time access to transceiver internal supply
voltage and temperature, allowing a host to identify
potential component compliance issues. Received
optical power is also available to assess compliance of
a cable plant and remote transmitter.When operating
outofrequirements,thelinkcannotguaranteeerrorfree
transmission.
FaultIsolation
The fault isolation feature allows a host to quickly
pinpoint the location of a link failure, minimizing
downtime.Foropticallinks,theabilitytoidentifyafault
atalocaldevice,remotedeviceorcableplantiscrucialto
speedingserviceofaninstallation.AFCT-57J5ATPZreal-
timemonitorsofTx_Bias,Tx_Power,Vcc,Temperatureand
Rx_Powercanbeusedtoassesslocaltransceivercurrent
operatingconditions.Inaddition,statusflagsTx_Disable
andRxLossofSignal(LOS)aremirroredinmemoryand
availableviathetwo-wireserialinterface.
ComponentMonitoring
Component evaluation is a more casual use of the
AFCT-57J5ATPZreal-timemonitorsofTx_Bias,Tx_Power,
Vcc, Temperature and Rx_Power. Potential uses are as
debuggingaidsforsysteminstallationanddesign,and
transceiver parametric evaluation for factory or field
qualification.Forexample,temperaturepermodulecan
be observed in high density applications to facilitate
thermalevaluationofblades,PCIcardsandsystems.
相關(guān)PDF資料
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