International Standards and Conformity Assessment for all electrical, electronic and related technologies



Reference CLC/TR 50378-2-2:2008
Title Passive components to be used in optical fibre communication systems - Product specifications - Part 2-2: SC(SC2)-APC connector-type fixed optical attenuators using IEC 60793-2 Category B1.1 singlemode fibre
Project Number 20648
Abstract/Scope This document reports the measurement results of a round robin test program carried out on SC/APC plug style fixed attenuators. The work was initiated at CENELEC CLC/TC 86BXA in November 2004 in order to get a clear understanding on the accuracy and repeatability of the spectral attenuation loss measurements on fixed attenuators. Out of these results some recommendations are made for attenuation tolerance values that can be used in the performance standards.


Current Stage code 6060
Current Stage code date 2008-04-10
Current Stage code deadline  
Deadline date for vote 2008-09-13


Order Voucher  


IEC Technical Body  
Reference Document  
ICS 33.180.20 - Fibre optic interconnecting devices
Keywords Passive components; Optical fibre; Communications; SC(SC2)-APC connector; Attenuator
Note D127/C093: NWI approved as CLC/prTR * D130/097: Extension of target date for vote approved until 2008-09-13 - no further extension to be allowed
Special National Condition(s)  


Categories - Aspects
Product Life Cycle


Deadline Date
6060 2008-04-10   export to doc file  EN
5099 2008-01-10 2008-05-10  
5060 2008-01-02 2008-01-10 export to doc file  EN
5020 2007-09-21 2007-12-21 export to doc file  EN
3090 2006-11-10 2007-08-19  
1099 2006-07-01 2007-01-01  
1000 2005-12-01 2006-06-01  

Implementation Dates

date of Ratification (DOR) (1) 2008-01-10
date of Availability (DAV) (2) 2008-04-10
date of Announcement (DOA) (3) -
date of Publication (DOP) (4) -
date of Withdrawal (DOW) (5) -


Superseded by  
Normative reference (6)  

(1) Date of ratification (dor) date when the Technical Board notes the approval of an EN (and HD for CENELEC), from which time the standard may be said to be approved

(2) Date of availability (dav) date when the definitive text in the official language versions of an approved CEN/CENELEC publication is distributed by the Central Secretariat

(3) Date of announcement (doa) latest date by which the existence of an EN (and HD for CENELEC), a TS or a CWA has to be announced at national level

(4) Date of publication (dop) latest date by which an EN has to be implemented at national level by publication of an identical national standard or by endorsement

(5) Date of withdrawal (dow) latest date by which national standards conflicting with an EN (and HD for CENELEC) have to be withdrawn

(6) This list of normative references is purely indicative. The only official list of normative reference is the list of the published standard.