
TESTTHEFIBERSFORFAULTS(connued)
TheopcalCONcableundertestcontainstwofiberopcchannels,
AandB,thatshouldbecheckedwiththeVFLindependentlyasfollows:
a.CleanandconnectoneendofeachofthetwoSTtoSTjumpers
totheAlabeledSTconnectoroneachsideofthetesteralong
withtheopcalCONcableundertestwhichgivesaccesstothe
usuallyyellowjacketedfiberwithintheopcalCONcable.
b.ConnecttheVFLtotheSTcablethatispluggedintotheleAST
connectoronthetesterandcheckforredlaserlightpass
throughattheendoftheotherSTjumperthatisconnectedto
theASTconnectorontherightsideofthetester.Thelight
shouldbeeasytoseebyaimingthe
connectoratalightlycoloredsurfacesuchasastandardsheetof
paper.
DONOTLOOKDIRECTLYINTOTHECONNECTOR!
Ifyoudonotseearedlaserlightshiningonthesurfaceofthe
sheetofpaper,thenthereisabreakinthefiber.
d.RepeatstepsabovetotesttheBjacketedfiberinthe
opcalCONcableundertestbychangingAtoBthroughoutthe
instruconsabove.
NOTE:RegularlytesttheSTtoSTjumpersbypluggingtheminto
theVFLandfacingtheotherendatalightly
coloredsurface.Ifyoudonotseeabrightredlightshiningon
thesurface,thenareplacementSTtoSTjumpermaybeneeded.
ConfirmthattheVFLitselfisoutpungred
laserlightbyshiningitatalightlycoloredsurface.DONOTLOOK
INTOTHEVFL.
e.Recordconductorfailureresultsandfiberfaultresultsindetail
inordertocommunicatethisinformaonwhenthecableissent
toanauthorizedopcalCONSMPTEfiber
repaircenter.Thiswillfacilitaterepairturnaroundme.
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