Iec 60793 2 20 2015

I EC 60793-2-20 ® Ed i ti on 201 5-1 I N TERN ATI ON AL STAN DARD colour in sid e Opti cal fi bres – Part 2-20: Produ ct speci fi cati on s – Secti on al speci fi cati on for category A2 I EC 60793-2-20: 201 5-1 (en ) mu l ti mode fi bres International Electrotechnical Commission TH I S P U B L I C ATI O N I S C O P YRI G H T P RO TE C T E D C o p yri g h t © I E C , G e n e va , S w i tze rl a n d Al l or ri g h t s by re s e rv e d an y e i th e r m ean s, I EC c o p y ri g h t yo u r I EC 3, or or l o ca l IEC C e n t l ru e de CH -1 1 I E C's h a ve U n l ess o t h e rwi s e e l e c t ro n i c or m em ber an N a ti o n a l e n q u i ry m em ber s p e c i fi e d , m e ch a n i ca l , abou t N a ti o n a l no p a rt i n cl u d i n g C o m m i tte e o b ta i n i n g C o m m i tte e th e p u b l i ca ti o n c o u n t ry a d d i ti o n a l fo r O ffi c e in o f th i s p h o to co p yi n g fu rt h e r ri g h t s an d o f th e to th i s re p ro d u c e d re q u e s t e r If wi t h o u t yo u h a ve pl ease or u ti l i z e d p e rm i s s i o n an y co n ta c t in in an y q u e s ti o n s th e fo rm wri t i n g fro m abou t a d d re s s I EC bel ow or i n fo rm a t i o n Te l : +41 22 91 02 1 F a x: +41 22 91 03 00 G e n e va i n fo @ i e c c h 20 be p u b l i ca ti o n , V a re m b é S wi t z e rl a n d may m i c ro fi l m , ww w i e c c h Ab ou t th e I E C Th e I n t e rn a t i o n a l I n t e rn a t i o n a l E l e c t ro t e c h n i c a l S t a n d a rd s fo r al l Com m i ssi on e l e c t ri c a l , (I E C) e l e c t ro n i c and is th e re l a t e d l ead i n g g l obal o rg a n i z a t i o n th a t p re p a re s an d pu bl i sh es te ch n o l o g i e s Ab o u t I E C p u b l i c a ti o n s Th e te c h n i ca l l a te s t e d i ti o n , co n te n t a of IEC c o rri g e n d a p u b l i ca ti o n s or an is ke p t amend ment u n d er might co n s ta n t h a ve been I E C C atal og u e - webs tore i ec ch /catal og u e Th e s ta n d - a l o n e b i b l i o g p h i ca l Te ch n i ca l a p p l i ca ti o n i n fo rm a ti o n on S p e ci fi ca ti o n s , d o cu m e n ts Ava i l a b l e fo r fo r I EC PC, M ac th e I n te rn a ti o n a l An d ro i d e n ti re S ta n d a rd s , Re p o rts OS , an d o th e r Ta b l e ts an d i Pad a d va n ce d va ri e ty of s e a rch en abl es cri te ri a co m m i tte e , … ) an d th e Th e wo rl d ' s e l e ctri ca l wi th d wn It to ( re fe re n ce al so g i ve s fi n d I EC i n fo rm a ti o n on Pl ease m a ke s u re th a t yo u h a ve th e d e fi n i ti o n s in a d d i ti o n a l on l i n e co n ta i n i n g En g l i sh an d l an g u ag es d i cti o n a ry m o re F re n ch , Al s o th a n wi th e l e ctro n i c 000 as th e an d te rm s e q u i va l e n t kn o wn Vo ca b u l a ry ( I E V) of 30 te rm s an d in I n te rn a ti o n a l on l i n e I E C G l os s ary - s td i ec ch /g l os s ary p u b l i ca ti o n s n u m b e r, I E C l ead i n g te rm s E l e ctro te ch n i ca l I E C pu bl i cati on s s earch - www i ec ch /s earch pu b Th e by E l ectroped i a - www el ectroped i a org co n s u l ti n g Te ch n i ca l re v i e w pu bl i sh ed te xt, by a te ch n i ca l p ro j e cts , re p l a ce d M o re th a n E n g l i sh cl a u s e h a ve p u b l i ca ti o n s 77, 60 an d of I EC been 86 an d 000 F re n ch e l e ctro te ch n i ca l e xtra cte d p u b l i ca ti o n s co l l e cte d fro m fro m i ssu ed e a rl i e r te rm i n o l o g y th e Te rm s s i n ce an d 2002 p u b l i ca ti o n s e n tri e s S om e of in D e fi n i ti o n s I EC e n tri e s TC 37, C I S P R I E C J u s t P u bl i s h ed - webs tore i ec ch /j u s u bl i s h ed S ta y up d e ta i l s al so to al l o n ce d a te n ew a on al l n ew p u b l i ca ti o n s m o n th by em l I EC p u b l i ca ti o n s re l e a s e d J u st Ava i l a b l e Pu bl i sh ed on l i n e an d I E C C u s to m er S ervi ce C en tre - web s tore i ec ch /cs c If yo u n eed wi s h fu rth e r C e n tre : International Electrotechnical Commission to g i ve us a s s i s ta n ce , cs c@ i e c ch yo u r fe e d b a ck pl ease co n ta ct on th e th i s p u b l i ca ti o n or C u s to m e r S e rvi ce I E C 60 793-2 -2 ® Ed i ti on 201 5-1 I N TE RN ATI ON AL S TAN D ARD colour in sid e Opti cal fi bres – Part -2 0: Prod u ct speci fi cati on s – Secti on al speci fi cati on for categ ory A2 m u l ti m od e fi bres I N TERN ATI ON AL ELECTROTECH N I CAL COM M I SSI ON I CS 33 80 I SBN 978-2 -832 2-3020-6 Warn i n g ! M ake s u re th at you obtai n ed th i s pu bl i cati on from an au th ori zed d i stri bu tor ® Reg i stered trad em ark of th e I n tern ati on al El ectrotech n i cal Com m i ssi on International Electrotechnical Commission – – I E C 60 793-2 -2 : 01 © I E C 01 C O N TE N TS F O RE WO RD S co p e N o rm a ti ve re fe re n ce s S p e ci fi ca ti o n s G e n e l D i m e n s i o n a l re q u i re m e n ts 3 M e ch a n i ca l re q u i re m e n ts T n s m i s s i o n re q u i re m e n ts E n vi ro n m e n ta l re q u i re m e n ts An n e x A ( n o rm a ti ve ) S p e ci fi ca ti o n s fo r s u b - ca te g o ry A2 a m u l ti m o d e fi b re s A G e n e l A D i m e n s i o n a l re q u i re m e n ts A M e ch a n i ca l re q u i re m e n ts A T n s m i s s i o n re q u i re m e n ts A E n vi ro n m e n ta l re q u i re m e n ts 1 An n e x B ( n o rm a ti ve ) S p e ci fi ca ti o n s fo r s u b - ca te g o ry A2 b m u l ti m o d e fi b re s B.1 G e n e l B D i m e n s i o n a l re q u i re m e n ts B M e ch a n i ca l re q u i re m e n ts B T n s m i s s i o n re q u i re m e n ts B E n vi ro n m e n ta l re q u i re m e n ts An n e x C ( n o rm a ti ve ) C S p e ci fi ca ti o n s fo r s u b - ca te g o ry A2 c m u l ti m o d e fi b re s G e n e l C D i m e n s i o n a l re q u i re m e n ts C M e ch a n i ca l re q u i re m e n ts C T n s m i s s i o n re q u i re m e n ts C E n vi ro n m e n ta l re q u i re m e n ts B i b l i o g p h y Ta b l e – Re l e va n t d i m e n s i o n a l a ttri b u te s a n d m e a s u re m e n t m e th o d s Ta b l e – D i m e n s i o n a l re q u i re m e n ts co m m o n to a l l ca te g o ry A2 fi b re s Ta b l e – Ad d i ti o n a l d i m e n s i o n a l a ttri b u te s re q u i re d fo r e a ch s u b - ca te g o ry Ta b l e – Re l e va n t m e ch a n i ca l a ttri b u te s a n d te s t m e th o d s Ta b l e – M e ch a n i ca l re q u i re m e n ts co m m o n to a l l ca te g o ry A2 fi b re s Ta b l e – Re l e va n t tra n s m i s s i o n a ttri b u te s a n d m e a s u re m e n t m e th o d s Ta b l e –Re q u i re m e n ts co m m o n to a l l ca te g o ry A2 fi b re s Ta b l e – Re l e va n t e n vi ro n m e n ta l a ttri b u te s a n d te s t m e th o d s Ta b l e A –D i m e n s i o n a l re q u i re m e n ts s p e ci fi c to A2 a fi b re s Ta b l e A – M e ch a n i ca l re q u i re m e n ts s p e ci fi c to A2 a fi b re s Ta b l e A –Tra n s m i s s i o n re q u i re m e n ts s p e ci fi c to A2 a fi b re s 1 Ta b l e A – E n vi ro n m e n ta l e xp o s u re te s ts 1 Ta b l e A – Attri b u te s m e a s u re d 1 International Electrotechnical Commission I EC 60793-2-20: 01 © I EC 01 – – Ta b l e B – D i m e n s i o n a l re q u i re m e n ts s p e ci fi c to A2 b fi b re s Ta b l e B – M e ch a n i ca l re q u i re m e n ts s p e ci fi c to A2 b fi b re s Ta b l e B – T n s m i s s i o n re q u i re m e n ts s p e ci fi c to A2 b fi b re s Ta b l e B – E n vi ro n m e n ta l e xp o s u re te s ts Ta b l e B – Attri b u te s m e a s u re d Ta b l e C – D i m e n s i o n a l re q u i re m e n ts s p e ci fi c to A2 c fi b re s Ta b l e C – M e ch a n i ca l re q u i re m e n ts s p e ci fi c to A2 c fi b re s Ta b l e C – T n s m i s s i o n re q u i re m e n ts s p e ci fi c to A2 c fi b re s Ta b l e C – E n vi ro n m e n ta l e xp o s u re te s ts Ta b l e C – Attri b u te s m e a s u re d International Electrotechnical Commission – – I E C 60 793-2 -2 : 01 © I E C 01 I N TE RN ATI O N AL E L E C TRO TE C H N I C AL C O M M I S S I O N O P TI C AL F I B RE S – P a rt -2 : P rod u ct s p e ci fi ca ti o n s – S e cti o n al s p e ci fi cati o n fo r cate g o ry A2 m u l ti m o d e fi b re s F O RE WO RD 1) T h e I n t e rn a ti o n a l E l e c tro te c h n i c a l C o m m i s s i o n ( I E C ) i s a wo rl d wi d e o rg a n i z a ti o n fo r s ta n d a rd i z a ti o n c o m p ri s i n g all n a ti o n a l e l e c tro te c h n i c a l c o m m i tte e s (I E C N a ti o n a l C o m m i t te e s ) Th e o b j e ct of IEC is to p ro m o te i n t e rn a ti o n a l c o - o p e ti o n o n a l l q u e s ti o n s c o n c e rn i n g s ta n d a rd i z a ti o n i n th e e l e c t ri c a l a n d e l e c t ro n i c fi e l d s T o th i s end an d Te ch n i ca l in a d d i ti o n R e p o rts , to o th e r a c ti v i ti e s , P u b l i cl y Av a i l a b l e IEC pu bl i sh es S p e c i fi c a t i o n s I n te rn a t i o n a l ( P AS ) an d S ta n d a rd s , Gu i d es Te ch n i ca l ( h e re a fte r S p e c i fi c a ti o n s , re fe rre d to as “I EC P u b l i c a ti o n ( s ) ” ) T h e i r p re p a ti o n i s e n tru s te d t o te c h n i c a l co m m i tt e e s ; a n y I E C N a ti o n a l C o m m i tt e e i n te re s te d in th e s u b j e ct d eal t wi th may p a rti c i p a t e in th i s p re p a to ry wo rk I n t e rn a ti o n a l , g o v e rn m e n ta l and n on - g o v e rn m e n ta l o rg a n i z a t i o n s l i a i s i n g wi th t h e I E C a l s o p a rti c i p a te i n t h i s p re p a ti o n I E C c o l l a b o te s c l o s e l y wi t h th e I n te rn a t i o n a l O rg a n i z a ti o n fo r S t a n d a rd i z a t i o n (I SO) in a c c o rd a n c e wi t h c o n d i ti o n s d e te rm i n e d by a g re e m e n t b e twe e n th e two o rg a n i z a ti o n s 2) T h e fo rm a l d e ci s i o n s o r a g re e m e n ts o f I E C o n t e c h n i c a l m a tte rs e xp re s s , a s n e a rl y a s p o s s i b l e , a n i n t e rn a ti o n a l co n s e n s u s of opi ni on on th e re l e v a n t s u b j e c ts s i n ce e a ch te ch n i ca l c o m m i tt e e h as re p re s e n t a ti o n fro m all i n te re s te d I E C N a ti o n a l C o m m i tt e e s 3) I E C P u b l i c a ti o n s h a v e th e fo rm C o m m i tte e s i n th a t s e n s e P u b l i c a ti o n s is a c c u te , o f re c o m m e n d a ti o n s fo r i n te rn a ti o n a l u se an d a re a c ce p te d b y I E C N a ti o n a l W h i l e a l l re a s o n a b l e e ffo rts a re m a d e to e n s u re t h a t th e te c h n i c a l c o n te n t o f I E C IEC can n o t be h el d re s p o n s i b l e fo r th e wa y in wh i c h th e y a re used or fo r an y m i s i n te rp re ta ti o n b y a n y e n d u s e r 4) In o rd e r to p ro m o te tra n s p a re n tl y to i n t e rn a ti o n a l th e m a xi m u m u n i fo rm i ty, e xte n t IEC possi bl e in N a ti o n a l th ei r C o m m i tte e s n a ti on a l and u n d e rta k e re g i o n a l to appl y IEC p u b l i c a ti o n s P u b l i c a ti o n s An y d i ve rg e n c e b e twe e n a n y I E C P u b l i c a t i o n a n d th e c o rre s p o n d i n g n a ti o n a l o r re g i o n a l p u b l i c a ti o n s h a l l b e c l e a rl y i n d i c a t e d i n th e l a tte r 5) I E C i ts e l f d o e s n o t p ro v i d e a n y a tte s ta ti o n o f c o n fo rm i ty a s s e s s m e n t s e rv i c e s a n d , i n s o m e a re a s , I n d e p e n d e n t c e rt i fi c a ti o n b o d i e s p ro v i d e co n fo rm i t y a c c e s s to I E C m a rks o f c o n fo rm i t y I E C i s n o t re s p o n s i b l e fo r a n y s e rv i c e s c a rri e d o u t b y i n d e p e n d e n t c e rti fi c a ti o n b o d i e s 6) Al l u s e rs s h o u l d e n s u re th a t th e y h a v e t h e l a t e s t e d i ti o n o f th i s p u b l i c a ti o n 7) N o l i a b i l i ty s h a l l a tt a c h to I E C o r i ts d i re c t o rs , e m p l o ye e s , s e rv a n ts o r a g e n t s i n c l u d i n g i n d i v i d u a l e xp e rts a n d m e m b e rs o f i ts te c h n i c a l c o m m i tt e e s a n d I E C N a ti o n a l C o m m i tte e s fo r a n y p e rs o n a l i n j u ry, p ro p e rty d a m a g e o r o th e r d a m a g e e xp e n s e s of an y a ri s i n g ou t n a t u re wh a t s o e v e r, wh e th e r d i re c t of p u b l i ca ti o n , use th e o f, or o r i n d i re c t, re l i a n c e u pon, o r fo r c o s t s th i s IEC (i n cl u d i n g P u b l i c a ti o n or l eg al fe e s ) and any o th e r IEC P u b l i c a ti o n s 8) Att e n t i o n i s d wn to t h e N o rm a ti v e re fe re n c e s c i t e d i n th i s p u b l i c a ti o n U s e o f t h e re fe re n c e d p u b l i c a ti o n s i s 9) Att e n ti o n i s d wn t o th e p o s s i b i l i t y th a t s o m e o f th e e l e m e n ts o f th i s I E C P u b l i c a ti o n m a y b e th e s u b j e c t o f i n d i s p e n s a b l e fo r th e c o rre c t a p p l i c a ti o n o f th i s p u b l i c a ti o n p a t e n t ri g h ts I E C s h a l l n o t b e h e l d re s p o n s i b l e fo r i d e n ti fyi n g a n y o r a l l s u c h p a te n t ri g h ts I n te rn a ti o n a l S ta n d a rd I E C - - h a s b e e n p re p a re d b y s u b co m m i tte e A: F i b re s a n d ca b l e s , o f I E C te ch n i ca l co m m i tte e : F i b re o p ti cs Th i s th i rd e d i ti o n ca n ce l s a n d re p l a ce s th e s e co n d e d i ti o n , pu bl i sh ed in 2007 Th i s e d i ti o n co n s ti tu te s a te ch n i ca l re vi s i o n Th i s e d i ti o n i n cl u d e s th e fo l l o wi n g s i g n i fi ca n t te ch n i ca l ch a n g e s wi th re s p e ct to th e p re vi o u s e d i ti o n : a) N a th h a s b e e n re p l a ce d b y N A ff ; b) s p e ci fi e d te s t m e a s u re m e n ts International Electrotechnical Commission s p e ci m e n l e n g th and m e a s u re m e n t d e ta i l s fo r co re d i a m e te r an d NA ff I EC 60793-2-20: 01 © I EC 01 – – Th e te xt o f th i s s ta n d a rd i s b a s e d o n th e fo l l o wi n g d o cu m e n ts : CDV R e p o rt o n vo ti n g A/1 /C D V A/1 A/R VC F u l l i n fo rm a ti o n o n th e vo ti n g fo r th e a p p ro va l o f th i s s ta n d a rd ca n b e fo u n d i n th e re p o rt o n vo ti n g i n d i ca te d i n th e a b o ve ta b l e Th i s p u b l i ca ti o n h a s b e e n d fte d i n a cco rd a n ce wi th th e I S O /I E C D i re cti ve s , P a rt A l i s t o f a l l p a rts i n th e I E C s e ri e s , p u b l i s h e d u n d e r th e g e n e l ti tl e Optical fibres , ca n b e fo u n d o n th e I E C we b s i te Th e co m m i tte e h a s d e ci d e d th a t th e co n te n ts o f th i s p u b l i ca ti o n wi l l re m a i n u n ch a n g e d u n ti l th e s ta b i l i ty d a te i n d i ca te d on th e I EC we b s i te u nder " h ttp : //we b s to re i e c ch " in th e d a ta re l a te d to th e s p e ci fi c p u b l i ca ti o n At th i s d a te , th e p u b l i ca ti o n wi l l b e • re co n fi rm e d , • wi th d wn , • re p l a ce d b y a re vi s e d e d i ti o n , o r • amended A b i l i n g u a l ve rs i o n o f th i s p u b l i ca ti o n m a y b e i s s u e d a t a l a te r d a te I M P O RT AN T th a t it – Th e c o n ta i n s u n d e rs t a n d i n g c o l o u r p ri n t e r International Electrotechnical Commission of 'col ou r i n s i d e' c o l o u rs i ts wh i ch c o n te n ts l og o a re U s e rs on th e c o ve r p a g e c o n s i d e re d shou l d to t h e re fo re of th i s be p u bl i cati on u s e fu l p ri n t th i s fo r i n d i c a te s th e d o cu m e n t c o rre c t using a – – I E C 60 793-2 -2 : 01 © I E C 01 O P TI C AL F I B RE S – P a rt -2 : P rod u ct s p e ci fi ca ti o n s – S e cti o n al s p e ci fi cati o n fo r cate g o ry A2 m u l ti m o d e fi b re s S co p e Th i s p a rt o f I E C i s a p p l i ca b l e to s u b - ca te g o ri e s A2 a , A2 b , a n d A2 c Th e s e fi b re s a re u s e d o r ca n b e i n co rp o te d i n i n fo rm a ti o n tra n s m i s s i o n e q u i p m e n t a n d o p ti ca l fi b re ca b l e s ( typ i ca l l y u p to km ) Th re e typ e s o f re q u i re m e n ts a p p l y to th e s e fi b re s : • • g e n e l re q u i re m e n ts a s d e fi n e d i n I E C - ; s p e ci fi c re q u i re m e n ts co m m o n to th e ca te g o ry A2 m u l ti m o d a l fi b re s co ve re d in th i s s ta n d a rd a n d wh i ch a re g i ve n i n C l a u s e ; • p a rti cu l a r re q u i re m e n ts a p p l i ca b l e to i n d i vi d u a l s u b - ca te g o ri e s or s p e ci fi c a p p l i ca ti o n s , wh i ch a re d e fi n e d i n th e n o rm a ti ve fa m i l y s p e ci fi ca ti o n a n n e xe s N o rm a ti ve re fe re n ce s Th e fo l l o wi n g d o cu m e n ts , i n wh o l e o r i n p a rt, a re n o rm a ti ve l y re fe re n ce d i n th i s d o cu m e n t a n d a re i n d i s p e n s a b l e fo r i ts a p p l i ca ti o n F o r d a te d re fe re n ce s , o n l y th e e d i ti o n ci te d a p p l i e s F o r u n d a te d re fe re n ce s , th e l a te s t e d i ti o n of th e re fe re n ce d d o cu m e n t ( i n cl u d i n g an y a m e n d m e n ts ) a p p l i e s I E C - - : 0 , Optica l fibres – Pa rt -20: Mea surement meth ods a nd test procedures – Fibre geometry I E C 60 793-1 -2 , Optica l fib res – Pa rt -21 : Mea surement meth ods a nd test procedures – Coa ting geometry I E C 60 793-1 -2 , Optica l fib res – Pa rt -22: Mea surement meth ods a nd test procedures – L ength mea surement I E C 60 793-1 -30, Optica l fib res – Pa rt -30: Mea surement meth ods a nd test procedures – Fib re proof test I E C 60 793-1 -31 , Optica l fib res – Pa rt -31 : Mea surement meth ods a nd test procedures – Tensile strength I E C - - , Optica l fibres – Part -40: Mea surement meth ods a nd test procedures – Measurement meth ods a nd test procedures – Measurement meth ods and test procedures – a nd test procedures – A ttenua tion I E C - - , Optica l fibres – Pa rt -41 : Ba ndwidth I E C - - , Optica l fib res – Pa rt -43: Numerica l a perture mea surement I E C - - , Optica l fib res – Pa rt -46: Measurement Monitoring of ch anges in optica l tra nsmitta nce International Electrotechnical Commission methods IEC 60793-2-20:201 © IEC 201 –7– IEC 60793-1 -50, Optical fibres – Part -50: Measurement methods and test procedures – Damp heat (steady state) tests IEC 60793-1 -51 , Optical fibres – Part -51 : Measurement methods and test procedures – Dry heat (steady state) tests IEC 60793-1 -52, Optical fibres – Part -52: Measurement methods and test procedures – Change of temperature tests IEC 60793-2, Optical fibres –Part 2: Product specifications – General 3 S p e c i fi c a t i o n s G e n e l The fibre shall consist of a glass core and a glass cladding in accordance with the definition given in IEC 60793-2 D i m en s i on al re q u i re m e n t s Relevant dimensional attributes and measurement methods are indicated in Table Dimensional requirements common to all sub-categories appear in Table Table lists additional dimensional attributes that shall be specified by each sub-category Tabl e – Re l e va n t d i m e n s i o n a l a t t ri b u t e s a n d At t ri b u t e M e a s u re m e n t m e t h o d Cladding diameter Core diametera Core non-circularity Core-cladding concentricity error Coating diameter Fibre length a Core diameter is specified at 850 nm ± nm with value kCORE of 0,5 (IEC 60793-1 -20 Method B) Tabl e – D i m en s i on al At t ri b u t e m e a s u re m e n t m e t h o d s IEC 60793-1 -20 IEC 60793-1 -20 IEC 60793-1 -20 IEC 60793-1 -20 IEC 60793-1 -21 IEC 60793-1 -22 a test specimen length of 2,0 m ± 0,2 m and a threshold re q u i re m e n t s c o m m o n to a l l c a t e g o ry A fi b re s Unit Core non-circularity % Coating diameter µm Fibre length km a The diameter of the coating is dependent on the cable structure and applications b Length requirements vary and should be agreed between supplier and customer International Electrotechnical Commission Li m i t ≤ a b –8– IEC 60793-2-20:201 © IEC 201 Ta b l e – Ad d i ti o n a l d i m e n s i o n a l a ttri b u te s re q u i re d fo r e a c h s u b -ca te g o ry At tri b u te Cladding diameter Core diameter 3 M e c h a n i ca l re q u i re m e n ts Relevant mechanical attributes and test methods are indicated in Table Mechanical requirements common to all sub-categories are given in Table Ta b l e – Re l e va n t m e c h a n i ca l a ttri b u te s a n d te s t m e th o d s At tri b u te Tensile strength T e s t m e th o d IEC 60793-1 -31 (0,5 m specimen length) Strain rate %/min to %/min IEC 60793-1 -30 Proof test Ta b l e – M e ch a n i c a l re q u i re m e n ts co m m o n to a l l ca te g o ry A2 fi b re s At tri b u te Unit Li m i t Proof stress level GPa a For the relation between different units, see 7.4 of IEC TR 62048:201 4 ≥ 0,345 a Tra n s m i s s i o n re q u i re m e n ts Relevant transmission attributes and measurement methods are given in Table Requirements common to all sub-categories are given in Table Ta b l e – Re l e va n t tra n s m i s s i o n a ttri b u te s a n d m e a s u re m e n t m e th o d s At tri b u te Tes t IEC 60793-1 -40 IEC 60793-1 -41 a,b Numerical aperture NA ff IEC 60793-1 -43 Change of optical transmission IEC 60793-1 -46 a When measuring attenuation, modal bandwidth and numerical aperture, the appropriate launching conditions should be applied as specified in the corresponding measurement methods (IEC 60793-1 -40, IEC 60793-1 -41 and IEC 60793-1 -43) b Numerical aperture (NA ) is specified at a test specimen length of 2,0 m ± 0,2 m with a threshold value, k NA of 0,5 measured at 850 ffnm Attenuation coefficient a Modal bandwidth a International Electrotechnical Commission I EC 60793-2-20: 01 © I EC 01 – – T a b l e –R e q u i re m e n t s c o m m o n At t ri b u t e λY nm a λY n m a N u m e ri c a l a p e rtu re ( N A ) T h e wa v e l e n g th , λ Y, Li m i t d B /k m MHz ⋅ km U n i tl e s s ff a c a t e g o ry A2 fi b re s Unit Att e n u a ti o n co e ffi c i e n t a t M o d a l b a n d wi d th a t to a l l 0, 23 ± ≤ 10 ≥ 0, 03 or 0, 26 s h a l l b e a g re e d b e twe e n s u p p l i e r a n d c u s t o m e r E n vi ro n m e n t a l re q u i re m e n t s Re l e va n t e n vi ro n m e n ta l a ttri b u te s a n d te s t m e th o d s a re g i ve n i n T a b l e T a b l e – R e l e va n t e n vi ro n m e n t a l At t ri b u t e a t t ri b u t e s a n d te s t m e th o d s Te s t m e th od D a m p h e a t te s ts I EC 60793-1 -50 D ry h e a t t e s ts I EC 60793-1 -51 C h a n g e o f te m p e tu re t e s ts I EC 60793-1 -52 International Electrotechnical Commission ± 0, 03 – 10 – IEC 60793-2-20:201 © IEC 201 An n e x A (normative) S p e ci fi ca ti o n s fo r s u b -cate g o ry A2 a m u l ti m o d e fi b re s A G e n e l The clauses and tables in Annex A contain the particular requirements applicable to A2a fibres Common requirements, repeated here for ease of reference from the sectional specification, are noted by an entry in the “Reference” column Relevant notes from the sectional specification are not repeated but indicated with a superscript “ SS ” A D i m e n s i o n a l re q u i re m e n ts Table A.1 contains dimensional requirements specific to A2a fibres Ta b l e A –D i m e n s i o n a l re q u i re m e n ts s p e c i fi c to A2 a fi b re s At tri b u te Unit Li m i t Re fe re n c e Cladding diameter Core diameter µm µm 40 ± 1 00 ± Core non-circularity Coating diameter Fibre length % µm km See 3.2 See 3.2 3.2 3.2 Table 3.2 3.2 3.2 A ≤ M e c h a n i ca l re q u i re m e n ts Table A.2 contains mechanical requirements specific to A2a fibres Ta b l e A – M e c h a n i ca l re q u i re m e n ts s p e c i fi c to A2 a fi b re s At tri b u te Unit Proof stress level GPa A Li m i t ≥ 0,345 SS Tra n s m i s s i o n re q u i re m e n ts Table A.3 contains transmission requirements specific to A2a fibres International Electrotechnical Commission Re fe re n c e 3.3 IEC 60793-2-20:201 © IEC 201 – 11 – T a b l e A –T n s m i s s i o n re q u i re m e n t s s p e c i fi c t o A2 a fi b re s At t ri b u t e Unit Attenuation coefficient at nm SS Modal bandwidth at λ Y nm SS Numerical aperture (NAff) dB/km ≤ 10 3.4 MHz ⋅ km ≥ 10 3.4 0,23 ± 0,03 or 0,26 ± 0,03 3.4 Table λY A E n v i ro n m e n t a l Li m i t Unitless R e fe re n c e re q u i re m e n t s Tables A.4 and A.5 contain environmental exposure tests and measurement methods specific to A2a fibres Test and measurements shall be documented in two forms: – relevant environmental attributes, test methods and test conditions are given in Table A.4; – measurements of a particular mechanical and transmission attribute that may change during exposure to the environmental test are listed in Table A.5 T a b l e A – E n vi ro n m e n t a l E n vi ro n m e n t Damp heat Dry heat Change of temperature e x p o s u re t e s t s Te s t m e th o d T e s t c o n d i ti o n IEC 60793-1 -50 IEC 60793-1 -51 IEC 60793-1 -52 +70 °C, 85 % RH, 30 days +70 °C, 30 days Ta : –20 °C, Tb :+70 °C T a b l e A – At t ri b u t e s m e a s u re d At t ri b u t e Change in optical transmission at attenuation coefficient at λ Y nm SS Tensile strength Unit dB/km GPa at % and 50 % Weibull probability levels Li m i t ≤ R e fe re n c e 2,20 at % 2,41 at 50 % These tests are normally conducted periodically as type-tests for a fibre design Unless otherwise indicated, the recovery period allowed between the completion of the environmental exposure and measuring the attributes shall be as stated in the particular environmental test method International Electrotechnical Commission – 12 – IEC 60793-2-20:201 © IEC 201 An n e x B (normative) S p e ci fi ca ti o n s fo r s u b -cate g o ry A2 b m u l ti m o d e fi b re s B.1 G e n e l The clauses and tables in Annex B contain the particular requirements applicable to A2b fibres Common requirements, repeated here for ease of reference from the sectional specification, are noted by an entry in the “Reference” column Relevant notes from the sectional specification are not repeated but indicated with a superscript “ SS ” B.2 D i m e n s i o n a l re q u i re m e n ts Table B.1 contains dimensional requirements specific to A2b fibres Ta b l e B – D i m e n s i o n a l re q u i re m e n ts s p e c i fi c to A2 b fi b re s At tri b u te Unit Li m i t Re fe re n c e Cladding diameter Core diameter µm µm 240 ± 200 ± Core non-circularity Coating diameter Fibre length % µm km See 3.2 See 3.2 3.2 3.2 Table 3.2 3.2 3.2 B.3 ≤ M e c h a n i ca l re q u i re m e n ts Table B.2 contains mechanical requirements specific to A2b fibres Ta b l e B – M e c h a n i ca l re q u i re m e n ts s p e c i fi c to A2 b fi b re s At tri b u te Unit Li m i t Proof stress level GPa 0,345 SS B.4 ≥ Re fe re n c e 3.3 Tra n s m i s s i o n re q u i re m e n ts Table B.3 contains transmission requirements specific to A2b fibres Ta b l e B – Tra n s m i s s i o n re q u i re m e n ts s p e ci fi c to A2 b fi b re s At tri b u te Unit Attenuation coefficient at nm SS Modal bandwidth at λ Y nm SS Numerical aperture (NAff) dB/km ≤ 10 3.4 MHz ⋅ km ≥ 10 3.4 0,23 ± 0,03 or 0,26 ± 0,03 3.4 Table λY International Electrotechnical Commission Unitless Li m i t Re fe re n c e IEC 60793-2-20:201 © IEC 201 B.5 E n v i ro n m e n t a l – 13 – re q u i re m e n t s Tables B.4 and B.5 contain environmental exposure tests and measurement methods specific to A2b fibres Test and measurements shall be documented in two forms: – relevant environmental attributes, test methods and test conditions are given in Table B.4 – measurements of a particular mechanical and transmission attribute that may change during exposure to the environmental test are listed in Table B.5 T a b l e B – E n vi ro n m e n t a l E n vi ro n m e n t Damp heat Dry heat Change of temperature e x p o s u re t e s t s Te s t m e th o d T e s t c o n d i ti o n IEC 60793-1 -50 IEC 60793-1 -51 IEC 60793-1 -52 +70 °C, 85 % RH, 30 days +70 °C, 30 days Ta : -20 °C, Tb :+70 °C T a b l e B – At t ri b u t e s m e a s u re d At t ri b u t e Change in optical transmission at attenuation coefficient at λ Y nm SS Tensile strength Unit dB/km GPa at % and 50 % Weibull probability levels Li m i t ≤ R e fe re n c e 0,75 at % 0,82 at 50 % These tests are normally conducted periodically as type tests for a fibre design Unless otherwise indicated, the recovery period allowed between the completion of the environmental exposure and measuring the attributes shall be as stated in the particular environmental test method International Electrotechnical Commission – 14 – IEC 60793-2-20:201 © IEC 201 An n e x C (normative) S p e ci fi ca ti o n s fo r s u b -cate g o ry A2 c m u l ti m o d e fi b re s C.1 G e n e l The clauses and tables in Annex C contain the particular requirements applicable to A2c fibres Common requirements, repeated here for ease of reference from the sectional specification, are noted by an entry in the “Reference” column Relevant notes from the sectional specification are not repeated but indicated with a superscript “ SS ” C.2 D i m e n s i o n a l re q u i re m e n ts Table C.1 contains dimensional requirements specific to A2c fibres Ta b l e C – D i m e n s i o n a l re q u i re m e n ts s p e ci fi c to A2 c fi b re s At tri b u te Unit Li m i t Re fe re n c e Cladding diameter Core diameter µm µm 280 ± 200 ± Core non-circularity Coating diameter Fibre length % µm km See 3.2 See 3.2 3.2 3.2 Table 3.2 3.2 3.2 C.3 ≤ M e c h a n i ca l re q u i re m e n ts Table C.2 contains mechanical requirements specific to A2c fibres Ta b l e C – M e c h a n i ca l re q u i re m e n ts s p e c i fi c to A2 c fi b re s At tri b u te Unit Proof stress level GPa C.4 Li m i t ≥ Re fe re n c e 3.3 0,345 SS Tra n s m i s s i o n re q u i re m e n ts Table C.3 contains transmission requirements for A2c fibres Ta b l e C – Tra n s m i s s i o n re q u i re m e n ts s p e ci fi c to A2 c fi b re s At tri b u te Unit Attenuation coefficient at λ Y nm SS Modal bandwidth at λ Y nm SS Numerical aperture (NAff) dB/km ≤ 10 3.4 MHz ⋅ km ≥ 10 3.4 0,23 ± 0,03 or 0,26 ± 0,03 3.4 Table International Electrotechnical Commission Unitless Li m i t Re fe re n c e IEC 60793-2-20:201 © IEC 201 C.5 E n v i ro n m e n t a l – 15 – re q u i re m e n t s Tables C.4 and C.5 contain environmental exposure tests and measurement methods specific to A2c fibres Test and measurements shall be documented in two forms: – relevant environmental attributes, test methods and test conditions are given in Table C.4 – measurements of a particular mechanical and transmission attribute that may change during exposure to the environmental test are listed in Table C.5 T a b l e C – E n vi ro n m e n t a l E n vi ro n m e n t Damp heat Dry heat Change of temperature e x p o s u re t e s t s Te s t m e th o d T e s t c o n d i ti o n IEC 60793-1 -50 IEC 60793-1 -51 IEC 60793-1 -52 +70 °C, 85 % RH, 30 days +70 °C, 30 days Ta : -20 °C, Tb :+70 °C T a b l e C – At t ri b u t e s m e a s u re d At t ri b u t e Change in optical transmission at attenuation coefficient at λ Y nm SS Tensile strength Unit dB/km GPa at % and 50 % Weibull probability levels Li m i t ≤ R e fe re n c e 0,55 at % 0,60 at 50 % These tests are normally conducted periodically as type tests for a fibre design Unless otherwise indicated, the recovery period allowed between the completion of the environmental exposure and measuring the attributes shall be as stated in the particular environmental test method International Electrotechnical Commission – – I EC 60 793-2 -2 : 01 B i b l i o g p h y I EC TR : , Optical fibres – Reliability – Power law theory _ International Electrotechnical Commission © IEC 201 International Electrotechnical Commission INTERNATIONAL ELECTROTECHNICAL COMMISSION 3, rue de Varembé PO Box 31 CH-1 21 Geneva 20 Switzerland Tel: + 41 22 91 02 1 Fax: + 41 22 91 03 00 info@iec.ch www.iec.ch International Electrotechnical Commission