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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 289

13.6.5 Ethernet Related Difficulties

Condition: Unable to Telnet into the Xstream

IstheGreenlinkLEDontheEthernetjacklit?Isthe"Link"LEDonthehuborotherequipment

lit?

Ifthereisnolinklight,theEthernetlinkisnotup.Themostlikelycauseisabadcable.

OtherpossiblecausesareapossiblefailureoftheXstream'sEther

netportoraproblem

withthehub(orotherdeviceatthefarend).

IfyouareconnectingdirectlywithoutanEthernethub,notethataspecialcablemustbe

used(SeeAppendix9‐ModularCableReference)

TheXstream’scommandlineinterfaceisonthedefaultTelnetport(P

ort23).Verify

yourTelnetclientisusingthisport.

DoestheAmberactivityLEDontheEtherne till uminateoccasionally?

WheneverthereisanactiveEthernetlink,youshouldseeoccasionalactivityofthisLED.

LackofactivitymayindicateaproblemwiththeXstream.ReboottheXstreamandre‐

che

ck

DoestheXstreamhaveanIPaddressentered?DoestheTelnetcomputerhaveanIPaddress?

AretheyinthesameIPrange?

TheXstreamusesIP(InternetProtocol).IPaddressesarerequired.Eachdeviceonthe

networkmusthaveuniqueIPaddress.

Canyou"Ping"theXstreamfromtheTe

lnetcomputer?

Ifyoucannot"Ping"theXstreamthereismostdefinitelyaproblem.Makesurethe

Xstream'sIPaddressisenteredcorrectly.Tryto"Ping"someothercomputerfromthe

Telnetcomputertoisolatetheproblem.

Ifyoucan"Ping"theXstream,butyoucannotTelnetintoit,theremaybeafirewall

betwee

nthetwodevices.Yournetworkadministratorshouldbeabletoopenthe

firewallforTelnetaccessbetweenthesetwoIPaddresses.(NoteTelnetisport23).

Condition: Unable to connect to a distant site using IP (i.e. to receive audio)

Canyou"Ping"or"Telnet"tothedistantXstreamfromanothercomputeronyourlocalnetwork?

Ifnotseethecondi

tionabove.

Canyoupingthestreamingmachinefrom theXstream?

Usethe"ipping"commandfromTelnetortheserialport(note"result=‐1"means

failedwhile"result=0"meanssuccess).

IsthedistantXstreamconfiguredforEthernetoperation?

Is/AretheappropriatePort(s)openonthefirewall(orconfigur

edviaportforwarding)?SIP

operationrequires2ports.

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