Ftth Pon Training Guide Part 1

FTTH PON TRAINING GUIDE PART 1 BY EMMANUEL ONUZURIKE (CFOT/CFOS/H/I/O/D/S/T)

INTRODUCTION TO FTTH Fiber-to-the-ho iber-to-the-home me (FTTH) (FTTH) technology represents an attractive soltion !or provi"ing high ban"#i"th !rom the CO to resi"ences an" to small- an" me"imsi$e" bsinesses% FTTH is cost-e&ective becase it ses a passive optical net#or' (ON)% hat ma'es FTTH FTTH even more interesting is the increase" net#or' reliability an" ease o! net#or' testing* measring an" monitoring%

+ingle mo"e optical ,ber* #ith its almost nlimite" ban"#i"th* is no# the transport me"im o! choice in long-hal an" metropolitan net#or's% The se o! ,ber-optic ,ber-optic cablerather than copper cablesigni,cantly re"ces e.ipment an" maintenance costs% Fiber-optic iber-optic cables are no# "eploye" in i n the last mile* the segment o! the net#or' that e/ten"s !rom the central o0ce(CO) to the sbscriber% sbscriber% High-spee" services available to resi"ential cstomers an" small bsinesses have been limite" to generic "igital sbscriber lines (/D+1) an" hybri" ,ber-coa/ial ,ber-coa/ial transmissions (HFC)%

1I2IT3TION OF CO4R 3ND IR414++ 53+4D TR3N+ORT +6+T42 7 1imite" ban"#i"th in a conte/t #here there is an e/plosive gro#th in "eman" !or more ban"#i"th an" higher-spee" services over longer reaches 7 Di&erent me"ia an" e.ipment re.iring e/tensive maintenance

FI5R OTIC+ TO O84RCO24 311  TH4+4 1I2IT3TION+ 3 high nmber o! (9) connections #ol" re.ire nmeros active components an" a great "eal o! ,ber-optic cables an" there!ore* #ol" have prohibitive installation an" maintenance costs% 3n alternative presently being consi"ere" is "eployment o! an entirely passive point-to-mltipoint (92) topology p to the bil"ing* #hile potentially 'eeping copper an" #ireless premises net#or's or even provi"ing the ,ber p to the sbscribers%

 The FTT/ (,ber-to-the-bil"ing* ,ber-to-the home* ,ber-to-the-no"e* ,ber-to-thepremises*,ber-to-the mlti-"#elling-nit* etc%) architectre o&ers an attractive soltion% ith FTT/* a 92 passive optical net#or' (ON) enables several cstomers to share the same connection* #ithot any active components (i%e%* components that generate or trans!orm light throgh optical-electrical-optical conversion) bet#een the CO an" cstomer premises% 3 !ee"er ,ber F: is broght !rom an optical line terminal (O1T) in the CO to a ,ber "istribtion hb (FDH) near a grop o! premises%

In the FDH* a passive optical splitter is se" to typically connect a nmber o! F9 FD ,bers to the same !ee"er ,ber% Then* each cstomer premises is provi"e" #ith an optical net#or' terminal (ONT) connecte" on one si"e to the F9 an" on the other si"e to the premises net#or'%  This 9 architectre "ramatically re"ces costs o! net#or' installation* management an" maintenance% The O1T provi"es voice an" "ata "o#nstream transmission sing a :;:= nm #avelength ban"* allo#ing non-inter!ering bi"irectional transmission on the same ,ber% In a""ition* the O1T may be connecte" to one branch o! a 9/: #avelength-"ivision mltiple/ing (D2) copler* #hile the secon" branch is connecte" to a vi"eo transmission system%  The vi"eo is provi"e" "o#nstream only* sally in a :??= nm #avelength ban"@ once over* the vi"eo signal* i! it is available* can then be transmitte" over the same :;9 D5

 T64+ OF ON GPON(GIGABIT CAPABLE PON)

+T3ND3RDEA%= 23 OR1("b)E >9 D5

 T64+ OF ON GPON(ERG)EXTENDED RANGE GPON

+T3ND3RDEA%=*:9>=*:>==-:>9= 23 OR1("b)E >9 D5