Enterasys Networks XSR CLI Drop and Insert Commands, drop-and-insert-group

Drop and Insert Commands
2-80 Configuring T1/E1 and T3/E3 Subsystems
Drop and Insert Commands
ThesecommandseffecttheoperationoftheT1/E1DropandInsertNIM.
drop-and-insert-group
Thiscommand,whichtakesnoparameters,instructstheT1controllertoofferallitsidletimeslots
notconfiguredaspartofachannel‐grouptotheDropandInsert(D&I)agent.TheT1controllerthus
operatesinmixedData/Voicemode.
ForT1lines,robbedbitsignalingisusedforChannel‐AssociatedSignaling(CAS).RobbedBit
Signalingusesonebitofeachtimeslotforsignalingeverysixthframe.TheXSRisconfiguredin
suchawaythatRBSisdisabledfordatatimeslots(timeslotsbelongingtoachannelgroup)and
datacanbepassedat64or56Kbs.
WhenthecommandisissuedforbothT1controllersontheNIM,timeslotswhichareidleonboth
portswillbeconnected.
ItismandatorythattheT1portconnectedtotheCentralOfficederiveitstimingfromtheup
streamlineandtheportconnectedtothePBXsupplytimingtothedownstreamline.
Syntax
drop-and-insert-group [cas | clear]
Syntax of the “no” Form
ThenoformofthiscommandremovesDropandInsertfunctionality:
no drop-and-insert-group
P‐bitSeverelyErrSecs(Validfor
C‐bit&M13)
PSESisasecondwith44ormorePCVs,oneormoreOut‐of‐Framedefects,or
adetectedincomingAIS.Thisgaugeisnotincrementedwhenunavailable
secondsarecounted.
SeverelyErrSecs(Validforg751) SESisasecondinwhichmorethen43LCVwerecountedoroneormoreOut‐
of‐Framedefects,oradetectedincomingAIS.Thisgaugeisnotincremented
whenunavailablesecondsarecounted.
SeverelyErrFramingSecs(Valid
forC‐bit,M13&g751)
SEFSisasecondwithoneormoreOut‐of‐Framedefectsoradetected
incomingAIS.
UnavailableSecs(ValidforC‐bit,
M13&g751)
UASarecalculatedbycountingtheperiodtheinterfaceisunavailable.
LineErrSecs LESisasecondwithoneormorecodeviolationsoroneormoreLOSdefects.
C‐bitErroredSecs(ValidforC‐
bit)
CESisasecondwithoneormoreC‐bitcodeviolations(CCV),oneormore
Out‐of‐Framedefects,oradetectedincomingAIS.Thisgaugeisnot
incrementedwhenUASsarecounted.
C‐bitSeverelyErroredSecs(Valid
forC‐bit)
CSESisasecondwith44ormoreCCVs,oneormoreOut‐of‐Framedefects,or
adetectedincomingAIS.ThisgaugeisnotincrementedwhenUASsare
counted.
cas ForuseifthedevicedownstreamisaPBXusingrobbitsignalling.Enteringno
parameterisequivalenttoenteringthenocommand.
clear ForuseifthedevicedownstreamhandlesdatasuchasaVoiceoverIP.