Telos Zephyr Xstream Two-Way Radio User Manual


 
USER’S MANUAL
Section 13: Deep Tech Information and Troubleshooting 276
NormalstatusisindicatedbytheLEDbeinglit.RapidflashingindicateslossoftheISDNlineat
thelowest(physical,OSILayer1)level,oruseoftheincorrectjackontheISDNinterfacecard
(usethelower,RJ11stylejackifyouareusingthebuiltinNT1;i.e.areconne
ctingdirectlyto
therawcopper2B1Qcircuit).SlowflashingofthisLEDmayindicateproblemswiththeZephyr
Xstream.
ON
ThismeansthattheNT1isfullyoperational,andOSIlayer1isfullyinitializedwiththeBRIcircuit
andtherestoftheZephyr/ZephyrXstream*
FLICKERING
AfastflashratemeanstheNT1hasnotinitializedtotheUinterface(i.e.theISDNBRIcircuit).It
isnormalforthistooccurforabout30secondsorlessaftertheunitisrebooted,theISDN
circuitconnected,ortheISDNreinitialized.Ifthisstatepersists,theproble
mismostlikelythe
ISDNcircuit(about80%)althoughitcouldbetheXstream’sterminaladaptorcard(about20%).
*
i
ISDN TIP!
IF YOU ARE USING THE "RJ-45" ISDN "S INTERFACE" (4-wire) NOTE:
The ISDN S interface is generally used outside of the USA & Canada. If you are not using the
ISDN U (2-wire) interface you can disregard this LED. In that case, this LED will be
flickering.
FLASHING
AslowflashmeanstheNT1hascompletedinitializingtheUinterface(thelineside)andis
initializingtheSinterfacetotherestoftheZephyrXstream.Ifthisstatepersistsformorethan
40seconds,itismostlikelyahardwareproblemwiththeZephyrXstream.Youshould“reseat”
theISDNcard
.CheckforforeignvoltageontheISDN(youshouldseeabout48voltsDC
[possiblypulsing]ontheline)Iftheproblempersists,contactTelosCustomerSupport.
OFF
Thisisanillegalstateandshouldnotoccur.InrarecasesthiscouldbetheISDNcircuit.If
disconne
ctingtheISDNlinecausestheLEDtobeginflickering,suspectthis.Otherwise,ifthe
ZephyrXstreamseemstobebootingup,itindicatesabadTerminalAdaptorCard(90%).You
should“reseat”theISDNcard.Iftheproblempersists,contactTelosCustomerSupport.**
ALTERNATING
Ifthestatealternatesbetweenmorethanonestate,andc
ontinuestocyclebetweenthose
states,somethingiswrong.First,checktoseeifyouhavetheISDNpluggedintotherightjack.
TheISDN(Uinterface)mustbepluggedintothe“U”jack,whichisthelowerjack.ThisisanRJ11