Specifications

Trunkcardsweigh8lb(3.6kg)each.Usetwohandswhenremovingorreplacingatrunkcard.
Step1 EnsureyourESDpreventivewriststrapisattachedbetweenyouandan
unpaintedchassissurface.
Caution
TopreventESDdamage,handletrunkcardsbyejectorleversandcarrieredgesonly,anduse
anESDpreventivewriststraporothergroundingdevice.
Step2 Carefullyalignthetrunkcardcarrierguideswiththetopandbottomgrooves
inthedialshelfslot.Avoidtouchingthecircuitryoranyconnectorpins.
Step3 Slidethetrunkcardintotheslotuntiltheejectorleversmakecontactwiththe
chassisframe.(See.)
Step4 Seatthetrunkcardinthebackplanebypushingthecardfirmlyuntilthe
ejectorleversfoldintowardthetrunkcardfrontpanel,andthefrontpanelis
flushwiththechassisframe.
Caution
Alwaysusetheejectorleverstodisengageorseattrunkcards,modemcards,ordialshelf
controllercardsinthebackplane.Failuretodosocancauseerroneoussystemerror
messagesindicatingacardfailure.However,donotusetheejectorleverstoliftor
supporttheweightofthecards.
Step5 TightenthepanelfastenersusingaNumber2Phillipsscrewdriver.This
securesthebackplaneconnectionandensuresproperEMIshielding.
Caution
Alwaystightenthepanelfastenersontrunkcards.Thesefastenerspreventaccidentalremoval
andprovidepropergroundingforthesystem.
Step6 RepeatStep2throughStep5foranyothertrunkcardsyouwanttoinstall.
Caution
Toavoiderroneousfailuremessages,removeorinsertonlyonetrunkcardatatime.Also,after
insertingorremovingatrunkcard,allowatleast15secondsbeforeremovingor
insertinganothertrunkcardsothatthesystemcanreinitializeandnotethecurrent
configurationofallinterfaces.
Step7 Installablankfillercard(DS58BLANK=)inallemptycardslotstokeepthe
chassisdustfreeandtomaintainproperairflow.
Caution
Topreventtheoverheatingofinternalcomponents,alwaysinstallblankfillercardsinempty
slotstomaintaintheproperflowofcoolingairacrossthecards.
Thiscompletesthetrunkcardreplacementprocedure.Proceedtothesection
"ConnectingTrunkCardCables"toattachtheinterfacecables.
ConnectingTrunkCardCables
TheCT1andCE1trunkcardsprovide12RJ45receptaclesforT1orE1lines.To
connectT1orE1lines,followthesesteps:
Warning
Thetelecommunicationslinesmustbedisconnected1)beforeunpluggingthemain
powerconnectorand/or2)whilethehousingisopen.
Step1 AttachtheRJ45endoftheT1orE1cablesdirectlytotheRJ45receptacles
onthetrunkcard.(See.)
Step2 ForT1cabling,attachthenetworkendofyourCT1cablestoyourexternal