OTA105301 OptiX OSN 1500250035007500 Classified Troubleshooting ISSUE 1.14

7/23/2019 OTA105301 OptiX OSN 1500250035007500 Classified Troubleshooting ISSUE 1.14

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HUAWEI TECHNOLOGIES CO., LTD.

All rights reserved

www.huawei.c!

Internal

OptiXOSN 1500/2500/3500/7500

Troubleshooting


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HUAWEI TECHNOLOGIES CO., LTD. Page 2All rights reserved

Upon completion o this course! "ou #ill be

able to$

%ist the common anal"sis metho&s oault locating'

Outline the (ault )an&ling (lo#'

*nal"+e the t"pical aults$ traic

interruption! error bit! etc'


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Chapter 1 Troubleshooting PreparationCha

pter 1 Troubleshooting Preparation

Chapter 2 Troubleshooting Idea and MethodsChapter 2 Troubleshooting Idea and Methods

Chapter 3 Classified Troubleshooting ExamplesChapter 3 Classified Troubleshooting Examples


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HUAWEI TECHNOLOGIES CO., LTD. Page ,All rights reserved

-e amiliar #ith harare s"stem an& S.) basic principle!

particularl" in the alarm signal lo#

*larm/perormance generation principle

aster the basic operations o the transmission euipment

NS! testing &eices! loopbac! boar& replacement

euirements or aintenance Personnel


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euirements or aintenance Personnel

(amiliar #ith the net#or un&er maintenance

Net#or topolog"! net#or protection! traic

coniguration

4ollect an& sae onsite &ata

S"stem alarms! perormance eents &ata!

conigurations! operation recor&s o NS


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Continue 1

Start

Record faultsmptom

External cause!"ther handling

flo#s

$nal%e the fault tolocate it

Report the fault to&ua#ei

'aultremo(ed!

)es

)es

"pti* "S+emergenc

handling flo#

+o

+o

Continue 2

(lo# 4hart


7/54HUAWEI TECHNOLOGIES CO., LTD. Page 7All rights reserved

Continue 1

Ma,e solutiontogether

Ser(ice

reco(ered!

"bser(e ser(icerunning

Compile the fault

handling report

'ault remo(ed!

End

Tr the solution

+o

+o

)es

)es

Continue 2

(lo# 4hart


8/54HUAWEI TECHNOLOGIES CO., LTD. Page All rights reserved

Chapter 1 Troubleshooting PreparationChapter 1 Troubleshooting Preparation

Chapter 2 Troubleshooting Idea and MethodsChapter 2 Troubleshooting Idea and Methods

Chapter 3 Classified Troubleshooting ExamplesChapter 3 Classified Troubleshooting Examples


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One 9uestion

:hat is the e" or troubleshooting ;

To locate a ailure *44U*T


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Station irst! then boar&s

Tr" "our best to locate the

troubles to one no&e

ternal irst! then internal

clu&e e>ternal problems irst

? -roen iber! s#itch ailure

? Po#er ailure! groun&ing

-asic Principles or %ocating (aults


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-asic Principles or %ocating (aults

%U irst! then TU

%U alarms can lea& to TU alarms

)igherseerit" alarms irst! then %o#erseerit" alarms

(irst anal"+e critical/ma@or alarms

Then come to minor/#arning alarms


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4ommon etho&s o (ault %ocating

*larm an& perormance anal"sis

%oopbac

eplacement

4oniguration &ata anal"sis

4oniguration mo&iication

Test #ith instruments

ule o thumb


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Use NMS&o# to obtain alarms

and performance!

Observe indicators on

boards and cabinets

ANot &etaile&ANo histor" alarms

A4omprehensieA*ll alarms/perormance eents

rom the #hole net#or

A*ccurateA4urrent alarms! histor"

alarms! occurrence time an&

perormance eent &ata can be

uerie&'

*larm an& Perormance *nal"sis


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HUAWEI TECHNOLOGIES CO., LTD. Page 1,All rights reserved

"btain alarm and

performance e(ents

Select the ,e alarm or

performance e(ents

$nal%e reasons-imit the troubles to a

certain range or a node



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1 2 3 .

# # # #E E

T/0$IS-P0RI

R0-"S

MS0RI



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%ine S& euipment %ine

InloopInloop

Inloop

outloop outloop

outloop

Tributar

%oopbac

:hat is loopbac;

%oopbac is the most common! most eicient metho& in

troubleshooting'


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-oar&inole&

%oopbacoptions

%oopbactools

%oopbacleel

*pplication

Tributar"

boar&

Bnloop/

outloop

%oopbac

cable!

NS

%oopbac

at path

leel

Separate s#itching aults rom

transmission aults' .etermine the

tributar" boar& ailure roughl"' -e

unnecessar" to mo&i" sericeconiguration'

%ine

boar&

Bnloop/

outloop

Patch

iber! NS

%oopbac

b" optical

interace

%ocate single station aults' oughl"

&etermines the line boar& ailure' -e

no nee& to mo&i" serice

coniguration'

a" interrupt the traic an&


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Proce&ures

.ra# the traic lo# &iagram

%oopbac section ater section to locate the

ault" N

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OTA105301 OptiX OSN 1500250035007500 Classified Troubleshooting ISSUE 1.14