
v
Safety Information
Class 1 Laser Transceivers
The single mode interface modules use Class 1 laser transceivers.
Read the following safety information before installing or operating these modules.
TheClass1lasertransceiversuseanopticalfeedbacklooptomaintainClass1operationlimits.Thiscontrolloopeliminatesthe
needformaintenancechecksoradjustments.Theoutputisfactoryset,anddoesnotallowanyuseradjustment.Class1Laser
transceiverscomplywiththefollowingsafetystandards:
•21
CFR1040.10and1040.11U.S.DepartmentofHealthandHumanServices(FDA).
•IECPublication825(InternationalElectrotechnicalCommission).
• CENELECEN60825(EuropeanCommitteeforElectrotechnicalStandardization).
Whenoperatingwithintheirperformancelimitations,lasertransceiveroutputmeetstheClass1accessibleemissionlimitofall
threestandards.Class1levelsoflaserradiation
arenotconsideredhazardous.
Whentheconnectorisinplace,alllaserradiationremainswithinthefiber.Themaximumamountofradiantpowerexitingthe
fiber(undernormalconditions)is‐12.6dBmor55x10
‐6
watts.
Removingtheopticalconnectorfromthetransceiverallowslaserradiationtoemitdirectlyfromtheopticalport.Themaximum
radiancefromtheopticalport(underworstcaseconditions)is0.8Wcm
‐2
or8x10
3
Wm
2
sr‐1.
Donotuseopticalinstrumentstoviewthelaseroutput.Theuseofopticalinstrumentstoviewlaseroutputincreaseseye
hazard.Whenviewingtheoutputopticalport,powermustberemovedfromthenetworkadapter.
Safety Compliance
Warning: Fiber Optic Port Safety
Avertissment: Ports pour fibres optiques - sécurité sur le plan optique
Warnhinweis: Faseroptikanschlüsse - Optische Sicherheit
Whenusingafiberopticmediaexpansionmodule,neverlookatthetransmitlaser
whileitispoweredon.Also,nev erlookdirectlyatthefiberTXportandfibercable
endswhentheyarepoweredon.
Neregardezjamaislelasertantqu’ilestsoustension.Neregardez
jamais
directementleportTX(Tramsmission)àfibresoptiquesetlesemboutsdecâblesà
fibresoptiquestantqu’ilssontsoustension.
NiemalseinÜbertragungslaserbetrachten,währenddieseseingeschaltetist.
NiemalsdirektaufdenFaser‐TX‐AnschlußundaufdieFaserkabelendenschauen,
währenddieseeingeschaltetsind.