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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.

TheClass1lasertransceiversuseanopticalfeedbacklooptomaintainClass1operationlimits.Thiscontrol

loopeliminatestheneedformaintenancechecksoradjustments.Theoutputisfactoryset,anddoesnotallow

anyuseradjustment.Class1Lasertransceiverscomplywiththefollowingsafetystandards:

•21

CFR1040.10and1040.11U.S.DepartmentofHealthandHumanServices(FDA).

•IECPublication825(InternationalElectrotechnicalCommission).

• CENELECEN60825(EuropeanCommitteeforElectrotechnicalStandardization).

Whenoperatingwithintheirperformancelimitations,lasertransceiveroutputmeetstheClass1accessible

emissionlimitofallthreestandards.Class1levelsoflaserradiation

arenotconsideredhazardous.

Whentheconnectorisinplace,alllaserradiationremainswithinthefiber.Themaximumamountofradiant

powerexitingthefiber(undernormalconditions)is‐12.6dBmor55x10

‐6

watts.

Removingtheopticalconnectorfromthetransceiverallowslaserradiationtoemitdirectlyfromtheoptical

port.Themaximumradiancefromtheopticalport(underworstcaseconditions)is0.8Wcm

‐2

or8x10

W

sr‐1.

Donotuseopticalinstrumentstoviewthelaseroutput.Theuseofopticalinstrumentstoviewlaser

outputincreaseseyehazard.Whenviewingtheoutputopticalport,powermustberemovedfromthe

networkadapter.

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