Cisco AS5800 Spezifikationen PDF herunterladen (Seite 7)

Indicator Color Description

LALM

(Local

Alarm)

Yellow Lightswhenanalarmconditionis

detectedonincomingdata.

RALM

(Remote

Alarm)

Yellow LightswhentheassociatedE1

porthasdetectedlossofsignal

(LOS)oroutofframe(OOF)

errors.Thisoccurswhenthe

remoteLIU

1

receiveserrorsand

sendsasignaltoindicate

presenceofremoteerrors.

75(Ohm) Green E1trunkcardonly.ONindicates

75ohms,andOFFindicates

120ohms.

NLOOP

(Network

Loopback)

Yellow Lightswhentheportisconfigured

innetworkloopback.Thisisuseful

fortestingpurposes.

1

LIU=lineinterfaceunit(analogphysicalinterface).Referstocircuitrythat

interfacesaserialcommunicationscircuittoatransmissionmediumsuchas

coaxialcabling.

TrunkCardBantamJacks

Passiveportmonitoringissupportedthroughtwosharedbantamjacks

locatedatthebottomofthetrunkcardfrontpanel(see).Thebantam

jacksallowyoutoconnectanetworkmonitoringdevicetothetrunk

cardtodetectT1orE1errors.

The4characterLCDindicateswhichofthe12T1orE1linesaretobe

monitoredorinspectedusingthebantamjacks.

Toenablethebantamjacksforportmonitoring,followthesesteps:

Step1 Pushandquicklyreleasethepushbutton(labeledmonitor#)

belowtheLCDtotoggletotheportnumberyouwantto

display.

Youmustreleasethebuttonwithintwosecondstoadvance

throughtheportnumbers(from0to11).Afterport11,the

displayreturnstoport0.Asyouadvancethroughtheport

numbers,theportassociatedLEDsreflecttheconfiguration

statusandalarmconditionsoftheportnumberdisplayedin

theLCD.

Step2 Pushandholdthemonitorbuttonfortwoormoresecondsto

enablethebantamjack.Todisablethebantamjackand

returntotogglemode,pressthebuttonagainandholditfor

twoormoreseconds.

Whenyoureleasethebutton,theportnolongertoggles

throughtheportnumbers,theletter"B"isdisplayedinthe

LCD,andthebantamjacksareenabled.

Step3 RepeatStep1andStep2toenablethebantamjacksforeach

portyouwishtomonitor.

Figure6CT1andCE1TrunkCardFrontPanelLCDandBantam

Jacks

1 2 3 4 5 6 7 8 9 10 11 12 ... 21 22

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