Lucent Technologies DDM-2000 OC-12 User Manual

RTRV-ALM 17of10Page RTRV-ALM
DescriptionReportDescriptionReport
(Contd)DescriptionsRTRV-ALM11-3.Table
MeaningDescription
(LOF)loss-of-frameadetectedhassystemThe
asdefinedisLOFsignal.EC-1incominganincondition
consecutive(fivecondition(OOF)out-of-framean
3leastatforlaststhatpatterns)framingSTS-1errored
milliseconds.
or3STS1EorSTS1EtheofFailurecauses:Likely
orSTS1Etheoffailureend,fartheatCPequivalent
theoffailureend,neartheatCPequivalentor3STS1E
orSTSX-1theatdisconnectcableaorcable,incoming
connector.shelf
LOFEC1inc.
(LOS)loss-of-signaladetectedhassystemThe
line.EC-1theoncondition
cableorsignalincomingtheofFailurecauses:Likely
atCP3STS1EorSTS1EtheoffailureSTSX-1,thefrom
orSTSX-1theatdisconnectcableaorend,nearthe
connector.shelf
LOSEC1inc.
indicationalarmlineEC-1andetectedhassystemThe
line.EC-1incominganon(AIS)signal
theatCP3STS1EorSTS1EanofFailurecause:Likely
end.far
AISlineEC1inc.
signalEC-1receivedthein(BER)ratioerrorbitThe
(10thresholdprovisionedtheexceeds
− 5
10to
− 9
).
atCP3STS1EorSTS1EtheofFailurecauses:Likely
intalkcrosscable,incomingtheoffailureend,nearthe
thefromsignalincomingtheoffailureorwiring,office
STSX-1.
(BER)degradesig.EC1inc.
receiveendfarOC-12thedetectedhassystemThe
signal.OC-12incomingtheinsignal(FERF)failure
incomingandetectedhasendfarThecauses:Likely
bemayThisline.OC-12specifiedtheonfailuresignal
theend,neartheatCPOLIUtheoffailurebycaused
theonfibertransmittheorend,fartheatCPOLIU
line.specified
FERFOC12inc.
indicationalarmlineOC-12detectedhassystemThe
line.OC-12incominganon(AIS)signal
end.fartheatCPOLIUanofFailurecause:Likely
AISlineOC12inc.
OC-12DDM-2000 1997December1Issue 11-365

Lucent Technologies DDM-2000 OC-12 Specifications

General

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