1、(EN PRENx2591- FC15 73 m 3404587 004bb7b 442 m Edition approved for publication Comments should be sent within six months after the date of publication to AECMA Technopolis - 1 75, rue Jean-Jacques Rousseau 921 38 Issy-les-Moulineaux Cedex - FRANCE 1993-06-30 AECMA STANDARD NORME AECMA AECMA NORM C2
2、 Chairman Mr. Le Cunff prEN 2591 -FCI 5 Edition P 1 June 1993 DIT PAR LASSOCIATION EUROPENNE DES CONSTRUCTEURS DE MATERIEL Ah7OSPATIAL Technopolis - 175, rue Jean-Jacques Rousseau - F-92138 Issy-les-Moulineaux Cedex - Tl. (1) 47.36.98.76 UDC : Descriptors : ENGLISH VERSION Aerospace series Elements
3、of electrical and optical connection Test methods Part FC15 - Optical elements Fluid resistance Srie arospatiale Luft- und Raumfahrt Mthodes dessais Prfverfahren Organes de connexion lectrique et optique Partie FCI 5 - Organes optiques Rsistance aux fluides Elektrische und optische Verbindungselemen
4、te Teil FC15 - Optische Elemente Bestndigkeit gegen Flssigkeiten This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA (Association Europenne des Constructeurs de Matriel Arospatial). It is published on green paper for the needs of AECMA-Members. It has been technic
5、ally approved by the experts of the concerned Technical Committee following comment by the Member countries. Subsequent to the publication of this prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identifi
6、cation of the standard. After examination and signature of the AECMA Standard Checking Centre (NPS) and formal agreement of the Official Services of the Member countries it will be submitted as a draft European Standard to CEN (European Committee for Standardization) for formal vote. aecma 1993 - CE
7、N PREN*Z591- FC15 93 w 3404589 0046677 389 prEN 2591 -FCI 5 Page 3 1 Scope This standard specifies a method of checking the resistance of optical connection elements (including permanent connections) and fibre optic couplers to fluids and lubricants. It shall be used together with EN 2591. 2 Normati
8、ve references EN 2591 Aerospace series - Elements of electrical and optical General 1) Dnnection - Test meth dS - EN 2591-CI5 Aerospace series - Elements of electrical and optical connection - Test methods - Part CI 5 - Fluid resistance 2) Aerospace series - Elements of electrical and optical connec
9、tion - Test methods - Part D8 - Mating and unmating forces 2) Aerospace series - Elements of electrical and optical connection - Test methods - Part D9 - Contact retention in insert 2) Aerospace series - Elements of electrical and optical connection - Test methods - Part FI - Optical elements - Inse
10、rtion loss 2) Aerospace series - Elements of electrical and optical connection - Test methods - Part FA1 - Optical elements - Visual examination 2) EN 2591-D8 EN 2591-D9 EN 2591-FI EN 2591-FA1 3 Preparation of specimens 3.1 Specimens shall be fitted with normal accessories and terminated in accordan
11、ce with the product standard. Cavities with unterminated contacts shall have filler plugs fitted (where applicable). 3.2 Unless otherwise indicated in the technical specification, the following details shall be specified : See EN 2591-CI 5 (if applicable) plus : - - type and length of cable/fibre; m
12、aximum value of insertion loss (EN 2591-FI). 4 Apparatus See EN 2591-C15. 1) At the date of publication of this standard, general aspects of elements of optical connection are covered by a draft amendment which is in preparation to the European Standard EN 2591. 2) Published as AECMA Prestandard at
13、the date of publication of this standard. Previous page is blank CEN PREN+259L- FCLS 93 3404589 004bb78 215 prEN 2591-FC15 Page 4 5 Method 5. I See EN 2591-C15. Initial measurements (if applicable) 5.2 Procedure See EN 2591-C15. 5.2.1 First phase See EN 2591-C15. 5.2.1 .I Liquids : immersion See EN
14、2591-C15. After withdrawal from the liquid, the specimen shall be engaged and disengaged. Full engagement shall be achieved without the use of tools. 5.2.2 to 5.2.6 See EN 2591 -CI 5. 5.2.7 Optical faces shall be cleaned as defined in EN 2591. 5.3 Final measurements and requirements (if applicable) - EN 2591-FI - Insertion loss - - - EN 2591-D9 - Contact retention in insert EN 2591-FA1 - Visual examination : discolouration is permitted, except on the optical faces. EN 2591-D8 - Mating and unmating forces
