Digi XPress User Manual download pdf (Page 9)

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XPress™EthernetBridgeGettingStartedGuide

Part 3: Setup and Initialization

Summary

TheXPress™EthernetBridgeallowstheusertocreatealong‐range,wirelessEthernetnetworkwithupto

16active(63total)subscriberunitsperaccesspoint.

ConfiguringawirelesslinkwiththeXEBrequirestheestablishmentofsixelements:

• Eachradiomustknowwhetheritistobeanaccesspoint(AP)orsubscriberunit(SU)

• EachradiomusthaveanIPaddressthatisuniqueamongallothers onthesamenetwork

• TheAPmustknowhowmanySUsareexpectingcommunicationwithit

• TheAPandanygivenSUmustagreeonwhichradiofrequencychanneltheyareusing.

Thiscanbesetmanuallyorallowedtochangeautomatically.

• TheSUmustbeassignedauniquesubscriberIDtospecifywhichtimedivisionslotitwilluse

whencommunicationwiththeAP

• TheAPandanygivenSUmustshareac ommon128‐bitencryptionkey

Theaccesspoint(AP)automaticallyscansforthebestofthe12availableradiofrequencychannels,

encryptsEthernetdatareceivedfromthenetwork,andtransmitsitwirelesslytothecorrectsubscriber

unit(SU).TheAPisconstantlymonitoringtheradiolinkandcanautomaticallychangethechannelif

performanceisdegraded

duetointerference.IftwoAPunitsareveryclosetooneanother,theymay

interfereifoperatingonadjacentfrequencychannels.Placethematleast10feetapartormanuallyselect

non‐adjacentchannelsfortheiroperation.Also,theSUshouldbeplacedatleast10feetfromthe

APto

avoidoverloadingtheradio’ sreceiver.

Any10/100BaseTEthernetclientdevice(ECD)canbeconnectedtoanXPress™subscriberunit.EachSU

encryptsEthernettrafficreceivedfromtheattachedECDandtransmitsthedatawirelesslytoitsAP.Each

SUcanbepluggeddirectlyintoanECDwithoutaddingdriversorloadingsoftware.Essentially,oncethe



AP/SUpairisconfiguredandrunning,itbehaveslikeacontinuousEthernetcable.

Setup

1.EachXPress™radiocomesdefaultwithastaticIPaddressof192.168.17.17.Digirecommendscon‐

nectingeachradiotoastand‐alonecomputerdisconnectedfromanysharednetwork,andconsult‐

ingwithyourITdepartmentbeforeconnectingthemtoanysharednetwork.

2.Installhardware‐Ifthedeviceistobeusedoutdoors,mountitverticallywiththeantennafacing

up.Thisorientationwillmitigateanyenvironmentaleffectsandallowdrainage.Attachtheantenna

totheXPress™radio.Antennainstallationisrequiredtomaintaindevicesealing.Attachan

Ethernetcable(straightorcr oss

‐over)betweentheXPress™radioandthefemaleEthernetport

jackonthePoEinjector.InordertomaintainthesealaroundtheEthernetcable,theEthernet

glandcapshouldbefirmlytightened.

Note:FormoreinformationonthePOEInjector,pleaserefertoPage14ofthis

Manual.

3.Configureradiosusingthedigitalsetupmethodasshownbelow.

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Digi XPress User Manual Page 9

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