- Enterasys Gigabit and Fast Ethernet Switches Hardware Installation Guide

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VCCI NOTICE
ThisisaclassAproductbasedonthestandardoftheVoluntaryControlCouncilforInterferencebyInformation
TechnologyEquipment(VCCI).Ifthisequipmentisusedinadomesticenvironment,radiodisturbancemayarise.
Whensuchtroubleoccurs,theusermayberequiredtotakecorrectiveactions.
BSMI EMC STATEMENT — TAIWAN
ThisisaclassAproduct.Inadomesticenvironmentthisproductmaycauseradiointerferenceinwhichcasetheuser
mayberequiredtotakeadequatemeasures.
SAFETY INFORMATION
CLASS 1 LASER TRANSCEIVERS
SINGLE MODE NETWORK EXPANSION 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.