
Ledindicators
Label Color Description
Power PWR
Green Powersupplyisoperatingproperly.
Off Checkthatthe1AmpSlo‐Blofuseisnotblown.
Ethernet
TPLink
Yellow 10BASE‐Ttwistedpairlinkhasbeenestablished.
Green 100BASE‐TXtwistedpairlinkhasbeenestablished.
Off Notwistedpairlinkpulsesdetected.
Aviom’sPersonalMixersdonottransmitlinkpulsesfortheEF‐2todetect.ThereforethisLEDwillalwaysbeoff.For
linkindication,Aviom’sPersonalMixershaveanLEDlabeled“A‐NETActive”.
TPRX Yellow Twistedpairreceivedataisbeingdetected.
Optical
Link
Yellow 10BASE‐FLopticallinkhasbeenestablished.
Green 100BASE‐FXopticallinkhasbeenestablished.
Off Noopticallinkpulsesdetectedoropticalleveltoolow.Checkthattheoppositeunithaspowerandthatthefiberoptic
cablesareproperlyconnected.Thetransmitoutputfromoneendshouldgotothereceiveinputattheoppositeend.
OrswitchsettingisintheOPT
TXposition,whichisauni‐directionalmodewheredatacanonlybereceivedbytheRJ‐
45andtransmittedtothefiberopticoutput.Therefore,opticallinkpulsescannotbereceivedbythefiberopticinput.
OPTRX
Yellow Opticalreceivedata isbeingdetected.
Off Noopticalreceivedatadetected.
OrswitchsettingisintheOPTTXposition,whichisauni‐directionalmodewheredatacanonlybereceivedbytheRJ‐
45andtransmittedtothefiberopticoutput.Therefore,opticaldatacannotbereceivedbythefiberopticinput.
TAC‐4InstallationInstructions
WhenusingTAC‐4panelmountconnectors:
DuetothehermaphroditicnatureoftheTAC‐4connector,channels1&4and
2&3arecrossedbynecessity.Therefore,pins1&2shouldalwaysbe
connectedtoconnectorsmarkedTXandpins 3&4shouldalwaysbe
connected
topinsmarkedRX.Pins1&4arealwayspairedtogetherandpins2
&3willalwaysbepairedtogether.
ImportantNote:AsingleTAC‐4connectorandcablecontains(4)fibersand
cantransportbothpairsoffiberinputs/outputsoftheEF‐2onasingle
connector
/cable.IfusingNeutrikOpticalCon,twocables/connectorsare
required,oneforeachpair,astheOpticalConcableandconnectorscontain
(2)fibers.WhenusingLCorSTfiberconnectorsonthechassisoftheEF‐2,the
connectorsaremountedontherearoftheunit.Alternativelythese
fiber
connectorscanbemountedonthefrontpaneloftheunit.
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