Lucent Technologies DDM-2000 OC-12 User Manual

RTRV-ALM 17of9Page RTRV-ALM
DescriptionReportDescriptionReport
(Contd)DescriptionsRTRV-ALM11-3.Table
MeaningDescription
issignalreferencesynchronizationDS1incomingThe
providingclocktheoffrequencyThe(OOL).lockofout
specification.ofoutissignalreferenceDS1the
thatsupplytimingofficetheofFailurecauses:Likely
reference.timingDS1theprovides
OOLref.sync.DS1inc.
signalindicationalarmDS3detectedhassystemThe
thefromcomingis,(thatdirectionDEMUXthein(AIS)
signal.DS3specifiedtheforfiber)
isendfartheatsignalDS3incomingThecauses:Likely
fartheatDSX-3thefromreceivedisAISDS3orfailed,
end.
AISDS3fiber)(frominc.
DS3theindetectedwerezerosconsecutive128leastAt
DSX-3.thefromreceivedsignal
DSX-3;atremovedorfailedEquipmentcauses:Likely
DDM-theatorDSX-3theatdisconnectedinputDS3
backplane.2000
LOSDS3inc
(OOF)out-of-frameDS3adetectedhassystemThe
fromcomingis,(thatdirectionDEMUXtheincondition
isconditionThissignal.DS3specifiedtheforfiber)the
orVMinprovisionedisinterfaceDS3theifonlyreported
theSeemode.VMR set-t3 and
rtrv-t3 commands.
toincomingsignalDS3out-of-frameAncauses:Likely
fartheatCPDS3theoffailureend;fartheatDSX-3the
ends.bothatloopedissignalDS3theend;nearorend
OOFDS3fiber)(frominc.
signalDS3incomingthein(BER)ratioerrorbitThe
10threshold,failureprovisionedtheexceeds
− 3
10or
− 6
.
orequipmentupstreamtheofFailurecauses:Likely
wiring;officeintalkcrossDSX-3);the(towardsfacility
CP.DS3offailureunprotected
failsig.DS3DSX)(frominc.
receivefar-endEC-1thedetectedhassystemThe
signal.EC-1incomingtheinsignal(FERF)failure
incomingandetectedhasendfarThecauses:Likely
bemayThisline.EC-1specifiedtheonfailuresignal
theatCP3STS1EorSTS1Etheoffailurebycaused
orend,fartheatCP3STS1EorSTS1Etheend,near
line.specifiedtheoncabletransmitthe
FERFEC1inc.
11-364 1997December1Issue OC-12DDM-2000

Lucent Technologies DDM-2000 OC-12 Specifications

General

Brand	Lucent Technologies
Model	DDM-2000 OC-12
Category	Multiplexer
Language	English