Iec 60793 2 20 2015

7 3.2 Dimen ional req irements.. 10 A.2 Dimen ional req irements.. 16 Ta le 1 – Relevant dimen ional at ributes an me s rement method... This third edition can els an re laces the secon

IEC 60793- 2- 20

Edit io 3.0 2 15-1

Optical fibres –

Part 2- 20: Product specificat ions – Sect ional specificat ion for cat egory A 2

mult imode fibres

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IEC 60793- 2- 20

Edit io 3.0 2 15-1

Opt ical fibres –

Part 2- 20: Product specificat ions – Sect ional specificat ion for category A2

mult imode fibres

INT R NATIONA L

ELECTROT C NICAL

COMMIS ION

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CONTENTS

FOREWORD 4

1 Sco e

6 2 Normative ref eren es 6

3 Sp cif i ation 7

3.1 General 7

3.2 Dimen ional req irements 7

3.3 Mec anical req irements 8

3.4 Tran mis ion req irements 8

3.5 En ironmental req irements 9

(normative) Sp cif i ation for s b-category A2 multimode f ibres 10 An ex A A.1 General 10 A.2 Dimen ional req irements 10 A.3 Mec anical req irements 10 A.4 Tran mis ion req irements 10 A.5 En ironmental req irements 1

(normative) Sp cif i ation for s b-category A2 multimode f ibres 12 An ex B B.1 General 12 B.2 Dimen ional req irements 12 B.3 Mec anical req irements 12 B.4 Tran mis ion req irements 12 B.5 En ironmental req irements 13 (normative) Sp cif i ation for s b-category A2c multimode f ibres 14 An ex C C.1 General 14 C.2 Dimen ional req irements 14 C.3 Mec anical req irements 14 C.4 Tran mis ion req irements 14 C.5 En ironmental req irements 15 Bibl ogra h 16 Ta le 1 – Relevant dimen ional at ributes an me s rement method 7

Ta le 2 – Dimen ional req irements common to al category A2 f ibres 7

Ta le 3 – Ad itional dimen ional at ributes req ired for e c s b-category 8

Ta le 4 – Relevant mec anical at ributes an test method 8

Ta le 5 – Mec anical req irements common to al category A2 f ibres 8

Ta le 6 – Relevant tran mis ion atributes an me s rement method 8

Ta le 7 –Req irements common to al category A2 f ibres 9

Ta le 8 – Relevant en ironmental at ributes an test method 9

Ta le A.1 –Dimen ional req irements sp cif i to A2 f ibres 10 Ta le A.2 – Mec anical req irements sp cif i to A2 f ibres 10 Ta le A.3 –Tran mis ion req irements sp cifi to A2 fibres 1

Ta le A.4 – En ironmental exp s re tests 1

Ta le A.5 – Atributes me s red 1

Ta le B.1 – Dimen ional req irements sp cif i to A2 f ibres 12

Ta le B.2 – Mec anical req irements sp cif i to A2 f ibres 12

Ta le B.3 – Tran mis ion req irements sp cif i to A2 fibres 12

Ta le B.4 – En ironmental exp s re tests 13

Ta le B.5 – Atributes me s red 13

Ta le C.1 – Dimen ional req irements sp cif i to A2c f ibres 14

Ta le C.2 – Mec anical req irements sp cif i to A2c f ibres 14

Ta le C.3 – Tran mis ion req irements sp cifi to A2c f ibres 14

Ta le C.4 – En ironmental exp s re tests 15

Ta le C.5 – Atributes me s red 15

INTERNATIONAL ELECTROTECHNICAL COMMISSION

Part 2-20: Product specifications –

Sectional specif ication f or category A2 multimode f ibres

1 Th Intern tio al Ele trote h ic l Commis io (IEC) is a worldwid org niz tio for sta d rdiz tio c mprisin

al n tio al ele trote h ic l c mmite s (IEC Natio al Commite s) Th o je t of IEC is to promote

intern tio al c -o eratio o al q e tio s c n ernin sta d rdiz tio in th ele tric l a d ele tro ic f i ld To

this e d a d in a ditio to oth r a tivitie , IEC p bls e Intern tio al Sta d rd , Te h ic l Sp cif i atio s,

Te h ic l Re orts, Pu lcly Av ia le Sp cific tio s (PAS) a d Guid s (h re f ter refere to a “IEC

Pu lc tio (s)”) Th ir pre aratio is e tru te to te h ic l c mmite s; a y IEC Natio al Commite intere te

in th s bje t d alt with ma p rticip te in this pre aratory work Intern tio al g v rnme tal a d n

n-g v rnme tal org niz tio s laisin with th IEC als p rticip te in this pre aratio IEC c la orate clo ely

with th Intern tio al Org niz tio for Sta d rdiz tio (ISO) in a c rd n e with c n itio s d termin d b

a re me t b twe n th two org niz tio s

2) Th formal d cisio s or a re me ts of IEC o te h ic l maters e pre s, a n arly a p s ible, a intern tio al

c n e s s of o inio o th rele a t s bje ts sin e e c te h ic l c mmite h s re re e tatio fom al

intere te IEC Natio al Commite s

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th later

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Pu lc tio s

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p te t rig ts IEC s al n t b h ld re p n ible f or id ntifyin a y or al s c p te t rig ts

International Stan ard IEC 6 7 3-2-2 has b en pre ared by s bcommite 8 A: Fibres an

ca les, of IEC tec nical commit e 8 : Fibre o tic

This third edition can els an re laces the secon edition, publ s ed in 2 0 This edition

con titutes a tec nical revision

This edition in lu es the f ol owin sig if i ant tec nical c an es with resp ct to the previou

edition:

th

has b en re laced by NA

f

;

b) sp cif ied test sp cimen len th an me s rement detai s f or core diameter an NA

f f

The text of this stan ard is b sed on the fol owin doc ments:

Ful inf ormation on the votin f or the a proval of this stan ard can b f ou d in the re ort on

votin in icated in the a ove ta le

This publcation has b en draf ted in ac ordan e with the ISO/IEC Directives, Part 2

A l st of al p rts in the IEC 6 7 3 series, publ s ed u der the general title Optic l fibre , can

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The commit e has decided that the contents of this publcation wi remain u c an ed u ti

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related to the sp cifi publ cation At this date, the publ cation wi b

• with rawn,

• re laced by a revised edition, or

A bi n ual version of this publ cation may b is ued at a later date

IMPORTANT – The 'colour in ide' logo on the cov r pa e of this publ c tion indic te

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OPTICAL FIBRES –

Part 2-20: Product specifications –

Sectional specif ication f or category A2 multimode f ibres

This p rt of IEC 6 7 3 is a plca le to s b-categories A2 , A2 , an A2c These f ibres are

u ed or can b in orp rated in information tran mis ion eq ipment an o tical f ibre ca les

( ypical y up to 2 km)

Thre typ s of eq irements a ply to these f ibres:

• general req irements as defi ed in IEC 6 7 3-2;

• sp cif i req irements common to the category A2 multimodal f ibres covered in this

stan ard an whic are given in Clau e 3;

• p rtic lar req irements a pl ca le to in ivid al s b-categories or sp cifi a pl cation ,

whic are def i ed in the normative f ami y sp cifi ation an exes

The f olowin doc ments, in whole or in p rt, are normatively ref eren ed in this doc ment an

are in isp n a le f or its a pl cation For dated ref eren es, only the edition cited a pl es For

u dated ref eren es, the latest edition of the referen ed doc ment (in lu in an

IEC 6 7 3-1-2 :2 01, Optic l fibre – P art 1-20: M ea ureme t meth ds a d te t pro edure

– Fibre g ometry

IEC 6 7 3-1-21, Optic l fibre – P art 1-21: Mea ureme t meth ds a d test pro edure –

Co ting g ometry

IEC 6 7 3-1-2 , Optic l fibre – P art 1-2 : Mea ureme t meth ds a d test pro edure –

IEC 6 7 3-1-3 , Optic l fibre – P art 1-30: Mea ureme t meth ds a d test pro edure –

Fibre pro fte t

IEC 6 7 3-1-31, Optic l fibre – P art 1-31: Mea ureme t meth ds a d test pro edure –

Te s e stre gth

IEC 6 7 3-1-4 , Optic l fibre – P art 1-40: Mea ureme t meth ds a d te t pro edure –

Atte u tio

IEC 6 7 3-1-41, Optic l fibre – P art 1-41: M ea ureme t meth ds a d te t pro edure –

Ba dwid th

IEC 6 7 3-1-4 , Optic l fibre – P art 1-4 : M ea ureme t meth ds a d test pro edure –

N umeric l a erture me s reme t

IEC 6 7 3-1-4 , Optic l fibre – P art 1-46: M ea ureme t methods a d te t pro edure –

Monitorin of c a g s in o tic l tra smitta c

IEC 6 7 3-1-5 , Optic l fibre – P art 1-5 : Mea ureme t methods a d te t pro edure –

Damp h at (ste dy state) te ts

IEC 6 7 3-1-51, Optic l fibre – P art 1-51: Mea ureme t meth ds a d te t pro ed ure – Dry

h at (ste dy state) te ts

IEC 6 7 3-1-5 , Optic l fibre – P art 1-52: Mea ureme t methods a d te t pro edure –

Ch n e of temp rature te ts

IEC 6 7 3-2, Optic l fibre –P art 2: P roduct s e ific tio s – Ge eral

3 Specif ications

The f ibre s al con ist of a glas core an a glas clad in in ac ordan e with the defi ition

given in IEC 6 7 3-2

3.2 Dime sional re uireme ts

Relevant dimen ional at ributes an me s rement method are in icated in Ta le 1

Dimen ional req irements common to al s b-categories a p ar in Ta le 2

Ta le 3 l sts ad itional dimen ional at ributes that s al b sp cified by e c s b-category

Table 1 – Rele a t dime sional at ribute a d me s reme t methods

Core diameter

a

IEC 6 7 3- -2

a

Core diameter is s e if i d at 8 0 nm ± 10 nm with a te t s e ime le gth of 2,0 m ± 0,2 m a d a thre h ld

v lu k

OR

of 0,5 (IEC 6 7 3- -2 Meth dB)

Table 2 – Dime sional re uireme ts common to al c te ory A2 fibre

≤ 4

Co tin diameter

µm

a

b

a

Th diameter of th c atin is d p n e t o th c ble stru ture a d a plc tio s

b

L n th re uireme ts v ry a d s o ld b a re d b twe n s p ler a d c stomer

Table 3 – Ad itional dime sional at ribute re uire f or e c s b-c te ory

Atribute

Cla din diameter

Core diameter

3.3 Me ha ic l re uireme ts

Relevant mec anical atributes an test method are in icated in Ta le 4

Mec anical req irements common to al s b-categories are given in Ta le 5

Table 4 – Rele a t me ha ic l at ribute a d te t method

(0,5 m s e ime le gth)

Strainrate 3 %/min to 5 %/min

Table 5 – Me ha ical re uireme ts common to al c te ory A2 fibre

≥ 0,3 5 a

a

For th relatio b twe n diff ere t u its, s e 7.4 of IEC TR 6 0 8:2 14

3.4 Tra smis ion re uireme ts

Relevant tran mis ion at ributes an me s rement method are given in Ta le 6

Req irements common to al s b-categories are given in Ta le 7

Table 6 – Rele a t tra smis ion at ribute a d me s reme t methods

Ate u tio c eficie t

a

IEC 6 7 3- -4

Mo al b n width

a

IEC 6 7 3- -41

Numeric l a erture N

f a,b

IEC 6 7 3- -4

a

Wh n me s rin ate u tio , mo al b n width a d n meric l a erture, th a pro riate la n hin c n itio s

s o ld b a ple a s e if i d in th c re p n in me s reme t meth d (IEC 6 7 3- -4 ,

IEC 6 7 3- -41 a d IEC 6 7 3- -4 )

b

Numeric l a erture (N

f ) is s e ifie at a te t s e ime le gth of 2,0m ± 0,2 m with a thre h ld v lu , k

A

of 0,5 me s re at 8 0 nm