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Telos Zephyr Xstream Two-Way Radio User Manual

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USER’S MANUAL

Section 13: Deep Tech Information and Troubleshooting 286

IstheproblemonlywithoneBRIcircuit?Doestheproblemmovewhenyouswitchthelineto

anotherISDNunit?

Iftheproblemremainswiththeline,thencallyourTelco.Ifyouaresupposedtobe

usingtheXstream'sbuilt‐inNT1(i.e.theUinterface)besuretonoteifyouhaveU

Sync(no

tethegreenLEDneartheUjackontherearoftheXstream).Ifyouhavea

fastblinkingUSynclighttheproblemismostlikelyyourISDNcircuit.IftheUSync

LEDislitsolidly,thensuspectalineconfiguration(“p

rovisioning”inTelco‐speak)

problem(alsoreviewtheinformationinthepreviousquestions).

AreyouusingtheXstream’sinternalNT1?(USA&Canadaonly)

TheLEDindicatorofthestatusoftheISDNconnectionisontherearpanelnearthe

Ujack.Ifthecircuitisinactive,theLEDwillremainintherapidlyfl

ashingstate.This

stateindicatesalossoftheISDNBRIcircuitatthelowest(physical)level.Try

anotherlinecordortryanotherlineintoseeifthesamethinghappens.

IftheNT1cancontactthecentraloffice,theLEDwillblinkslowly(about1Hz).Ifthe

LEDremainsinth

isstatethereisaninternalXstreamproblemoryoucouldbe

connectedtothewrongjackontheback(UsersinUSA&Canadashouldbeusing

thelower,RJ11style,jack).TheLEDwillcomeonsolidlywhenallhandshakingis

comple

tedandthebasic(lowlevel)lineconnectionisgood.

IftheLEDstayson,withtheISDNdisconnected,ordoesnotcomeonatall,thereis

ahardwareproblem.SeeaboveformoreonthisLED.

Condition: Line 1 will accept call however Line 2 will not

HaveyouenteredDirectorynumbersintheMSN/DN1&2entriesinth

eTELmenu?

ThesearerequiredifyouareusingDMS‐CustomorNatlI‐1foryourISDNtype.

Condition: Can place calls, or receive calls, but not both

IfyourlineisusingNationalISDNandyourTelcoissettoDMSCust.,orviceversa,youmaysee

thisbehavior.Trytheothersetting.

IfyourlineisusingNa

tionalISDNorDMS‐Custom,youmusthaveyourDirectoryNumbers

enteredtoreceivecalls.

Condition: System says Ready but attempted calls do not complete (goes back to

Ready or sits at Seize Pending)

AreyourSPIDsandTelcosettingcorrect?

We'veincludedquiteafewusefultipsaboveonSPIDsandonhowtoguessyour

ISDNprotocol.IfSPIDsarerequiredandhavebeenomittedafalse"R

eady"maybe

displayed.

CanyoudialfromLine1toLine2?

Ifyoucansuccessfullycallfromonelinetotheother,youknowthatyourSPIDsand

ISDNprotocolsettingsforthatlinearecorrectandthattheISDNcircuititselfisok.

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