Installation guide

vi
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
3
W
m
2
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.