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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 282

ChecktheSendbargraphmeterforproperindication.ConfirmthatthetopSendLEDis

flashingnotatall.Input/sendgainissetontheAUDIOmenuscreen.

Outputsettingcorrect?

TheLevelOutsettingintheAUDIOmenushouldmatchtotheequipmentthataccepts

theXstream'saudiofeed.



13.6.4 ISDN Difficulties

Condi

tion: Can’t Get ISDN “

Ready” Indication

FirsttrydisconnectingtheISDNcircuit(s)inquestionandwaitingafull60seconds(leavethe

ZephyrXstreamon)andthenreconnectthecircuit.



AreyouconnectedtothecorrectjackontherearoftheZephyrXstream?

IfintheUSA&Canada:youwillprobablybeusingthelower(R

J‐11style)jack.

OutsidetheUSA&Canada:youwillprobablybeusingtheupper(RJ‐45style)jack.Try

dialing.SomeEuroISDNlineswillshowinactiveuntiltheyareinuse.



ArethejumperscorrectontheISDNInterfacecard?

JP2,ifpresent,mustbejumpered(newercardsnolongerhavethisjumper

).

WhatkindofISDNdoyouhave,andistheXstreamsettomatchit?

ThetelephonecompanyshouldhavegivenyoutheISDNprotocolwhenthelinewas

ordered.Ifyoufindyourselfinthefieldwithoutthisinformation,itisusuallypossibleto

piecetoge

therwhatyouneed.

• IfyouareoutsidetheUSA&Canada,youmostlikelyhaveETS300(EuroISDN).If

youareinJapan,youhaveINS64.TheseusersdonotneedtoenterSPIDs.MSNs

areoptional.

• IfyouaregivenSPIDs,youprobablyhaveNationalIS

DN1(NI‐1)orDMS100(DMS‐

Cust.)foryourISDNprotocol.OneSPIDmeansonechannelwasactivated,rather

thantheusualtwo.Youwon’tbeabletomakeastereoconnection.NationalISDN2

isbackwardcompatiblewiththeZephyrXstream(useNatl.I‐1forTelcointhethi

rd

TELmenu)

• NoSPIDsandonlyonephonenumbergenerallymeansAT&TCustom(PTP)protocol.

OccasionallyPTPuserswillbegivenaSPID(usuallyoftheformat01xxxyyyy0).This

canbeignored.AT&TCustom(PTP)mightbecalledLucentCustom(PTP).

• Itisbesttoknowbothth

eISDNprotocolofyourlineaswellasthebrandandmodel

oftheTelco’scentralofficeswitchitself.Agivenmodelofswitchonlysupportsa

specificsetofprotocols,sothismayhelpyouinferthecorrectinformation.Also,

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