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T1/E1 & T3/E3 Commands

XSR CLI Reference Guide 2-73

Example

ThefollowingexampleconfigurestheT3controllerinslot1,card2withlinesourceclocking,M13

framing,inunchannelizedmode,cablelengthof250,DSUinteroperabilitymodesettoaKentrox

DSU,DSUbandwidthof44210,andscramblingenabled:

XSR(config)#controller t3 1/2/0

XSR(config-controller<T3-1/2/0>)#no channelized

XSR(config-controller<T3-1/2/0>)#clock source line

XSR(config-controller<T3-1/2/0>)#framing m13

XSR(config-controller<T3-1/2/0>)#cablelength 250

XSR(config-controller<T3-1/2/0>)#dsu mode kentrox

XSR(config-controller<T3-1/2/0>)#dsu bandwidth 44210

XSR(config-controller<T3-1/2/0>)#scramble

shutdown

ThiscommanddisablesdisablesaT1/E1/ISDN‐PRIcontrollerortheT3/E3controllerandall

interfacesrelatedtoit.Thecommanddoesnotrequireanyspecificbootingprocedureandcanbe

performeddynamicallyduringsystemrun‐time.Whentheinterfaceiscreated,itisdisabledby

default.

DisablingaT3/E/3controllercauses

aT3porttotransmit:

•AnAlarmIndicationSignal(AIS)forM13framing.

•Anidlesignal(forC‐bitframing).

TensecondsmustelapseforalarmstoclearafterenablingaT3port.Shuttingdownacontroller

causesanE3porttotransmitAIS.

Thereisashortdelayforalarmstoclear

afterenablinganE3port.Ittakes10secondsforalarmsto

clearafterenablingaT3port.

Syntax

shutdown

Syntax of the “no” Form

ThenoformofthiscommandrestoresthepreviouslyconfiguredT1/E1controllerandinterface.

Also,itre‐enablesaT1/E1/ISDN‐PRIchannelandassociatedserialinterface:

no shutdown

Mode

Controllerconfiguration:XSR(config-controller xx)#

Default

Disabled

Note: The AIS, also known as a blue alarm, is transmitted to notify the downstream device that an

upstream line failure has occurred.

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