Raritan Computer 255-30-6000-00 Manual

A SERVICE OF

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Chapter 7: Configurations

139

Stacked Configurations

Definition of Stacked Configuration:

• TheParagonIIStackingUnitexpandsthenumberofavailable

channelportsinasingleswitchingunit.Itdoesnotadduserports.

 P2‐UMT1664Shasfour68‐pinexpansionports.Twoareinput

portsandtwoareoutputports.P2‐UMT832Shasonlyone68‐pin

expansioninputportandoneoutputpo

rt.

• TheParagonIIMainUnitcomeswithbothofuserportsandchannel

ports.Ithasadatabasetostoreinformationsuchassystem

configuration,userprofiles,channelconfiguration,andsoon.

 P2‐UMT1664Mhastwo68‐pinexpansionports,and

P2‐UMT832Mhasone68‐pinexp

ansionport.Theserepresent

inputports.

• OneormoreParagonIIStackingUnitsconnecttoaParagonIIMain

Unitthroughstackingcablesinadaisychainconnection—thatis,the

expansionportofaP2‐UMT832Mconnectstotheexpansionoutput

portofaP2‐UMT832S,an

dtheexpansioninputportofthis

P2‐UMT832Sconnectstotheexpansionoutputportofanother

P2‐UMT832Stoformadaisychain.

• TheMainUnitcanbeaBaseUnitorasecond‐tierorthird‐tierdevice.

 TheStackingUnitthatconnectstoaMainUnitbecom

esan

automaticextensionoftheMainUnit.

System Constraints:

• TheBaseUnitshouldbeaP2‐UMT1664M/P2‐UMT832MMainUnit.

• TheBaseUnitʹshardwareandfirmwareversionsmustalwaysbethe

latestreleasedversionofParagonIIproductinaclosedconfiguration

system.

• AParagonIproductwithhardwareversionHW3(runningParagon

IIfirmw

are)canaccommodateonlyoneStackingUnit.

Note:Theeasiestwaytodetermineifthehardwareversionofyour

ParagonIunitisHW3istocheckthenumberofitsstackingportson

therearside.Ifithasonlyonestackingport,thehardwareversionis

HW3.