DLP-518 363-206-295
1997December1,Issue27of20Page
21D/21D-U or OLIU21G2-U
23.
!
WARNING:
Doradiation.laserinvisibleemitmayconnectorsopticalUnterminated
toexposuredirectAvoidinstruments.opticalwithbeamviewnot
proceduresofperformanceoradjustmentsorcontrolsofUsebeam.
radiationhazardousinresultmayhereinspecifiedthosethanother
exposure.
!
1:CAUTION
andgoodline(protectionavailableisswitchingprotectionthatEnsure
useavailable,Wheneffect).inswitchesforcedorinhibits,locks,no
andCIT
switch-line
Lineswitch.protectiondotocommand
tonecessarybemayItunidirectional.isrequestswitchingprotection
perform
switch-line
bothswitchtoendfarandendnearat
line.sametoreceiveandtransmit
!
2:CAUTION
lightedwithoutonetheremovealwayspacks,circuitremovingWhen
ACTIVE
first.LED
!
3:CAUTION
installingBefore
21D/21D-U or OLIU21G2-U fiberopticalallensures,
[cleanedproperlybeenhavecouplingsandconnectors DLP-522].
arecouplingsandconnectorsifdegradedbemayperformanceSignal
properly.cleanednot
cablesopticalremovethenline,othertoswitchedbeenhasserviceEnsure
from 21D/21D-U or 21G2-U replaced.betoOLIU
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