Specifications

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100/1000MbpsDDMSFPtransceiverforHighQualityMonitoring
TheSFPsocketsofthePMI‐110‐F2Gsupports100Mbpsand1000MbpsSFPtypefiber
transceiverwithspeeddetectionandindependent indication.Moreover,itsupportsDDM
(DigitalDiagnosticMonitoring)typeSFPtransceiversallowinguserstodiagnoseopticalcable
transmissionproblemthroughmaintenanceanddebuggingoftheopticalsignalqualitybyDDM
withouttheneedofanextraopticalcableanalyzer,asaresultgreatlysavingtimeandsystem
costs.
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RapidSuperRing(RSR)Technology
ThePMI‐110‐F2GsupportsRapidSuperRingtechnology.Therecoverytimeisgreatlyimproved
from30mstofewmsforbothcopperandfiberring.TheRingmastercanbeauto‐selectedby
RSRengine.The1stringportoftheR.M.istheprimarypathwhilethe2ndringportoftheR.M.
istheblockpath.Oncetheprimarypathfails,the2ndpathwillberecoveredwithinfewms.
Besides,therestorationtimeisalsoshortenedtozerointheR.M.auto‐selectionmode.
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ComprehensiveRedundantSolutions–MultipleSuperRing(MSR)
PMI‐110‐F2GalsosupportsadvancedRingtechnology–M.S.R.(MultipleSuperRing)which
includesvariousnewtechnologiesfordifferentnetworkredundancyapplicationsandstructures.
ThesupportedMSRallowsPMI‐110‐F2Gaggregatingupto5RapidSuperringsincludes4Fast
Ethernetplus1GigabitEthernetringsintooneswitch.WiththeMSRtechnology,anodecanbe
configuredtomultipleringswiththefailovertime.Inaddition,userscanextendthering
topologybyaddinghundredsofPMImanagedswitchestomeetthelarge‐scalenetworkneeds
withoutcompromisingthenetworkspeed.TheMSRalsoallowsPMI‐110‐F2Gmanagedswitch
toeasilyconnectwithcoremanagementswitchesviastandardRapidSpanningTreePr otocol
(RSTP)orthroughmultiplepathsornodestoincreasethereliabilitybyRDH(RapidDualHoming)
technology.ByintegratingMSRandLACP(LinkAggregationControlProtocol),thePMIseries
canenhancethelinkabilityandincreasetheoveralllinkcapacity.TwoormoreFastEthernet
connectionsarecombinedinordertoincreasethebandwidthandtocreatearesilientand
redundantlink.
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SeamlessRingPortRestoration
Seamlessrestorationisanewpatentedtechnologywhichcanrestoreafailedringwithout
causinganyloopproblem,topologychangeandpacketloss.Witha0secondrestorationtime,
thismechanismeliminatesanyunstablestatusandguaranteestheapplicationsrunning
non‐stop.
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RapidDualHoming(RDH)Technology
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