1、 SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising there
2、from, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions. Copyright 2015 SAE International All rights reserved. No part of this p
3、ublication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: +1 724-776-497
4、0 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org SAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/AS6479/1 AEROSPACE STANDARD AS6479/1 Issued 2015-07 Splicer, Fusion, Fiber Optic,
5、 Aerospace, Explosion-Proof (Type I) RATIONALE Type I fusion splicers are designed for hazardous environments specifically including potentially flammable or explosive atmospheres. 1. SCOPE This detail specification defines fiber optic fusion splicers acceptable for the installation and repair of a
6、wide range of optical fibers and cables with virtually no insertion loss in hazardous environments (potentially flammable or explosive atmospheres, Type I), particularly aerospace applications. The requirements for acquiring the splicer described herein shall consist of this specification and the la
7、test issue of AS6479. 2. REFERENCES 2.1 Applicable Documents The following publications are cited in this specification in addition to those cited in AS6479. The latest issue of all SAE publications shall apply except in cases in which referring documents call out specific versions. In the event of
8、conflict between these documents and this standard, the contents of this standard shall govern. 2.1.1 SAE Publications Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or +1 724-776-4970 (outside USA), www.sae.org. AS6479
9、Splicer, Fusion, Fiber Optic, Aerospace 3. CONFIGURATION Representative images of a Type I fusion splicer are detailed in Figures 1 through 4. 4. REQUIREMENTS In the following sections, reference is made to each detailed requirement of AS6479. If the original lanugage applies as-written in this deta
10、il specification, the reference is described as “applicable”. If there is any deviation or alternative specification, it is described in detail. 4.1 General All provisions of 4.1 of the general standard are applicable to this detail specification. SAE INTERNATIONAL AS6479/1 Page 2 of 10 Figure 1 - F
11、usion splicer Figure 2 - Controller: top and side views SAE INTERNATIONAL AS6479/1 Page 3 of 10 Figure 3 - Controller: two end views Figure 4 - Umbilical cable SAE INTERNATIONAL AS6479/1 Page 4 of 10 4.2 Splicing Capabilities 4.2.1 Types of Fibers Applicable. 4.2.2 Core Size Range The fusion splicer
12、 shall be capable of making low-loss splices on silica fibers with core sizes from 5.8 to 200 m. However, core sizes larger than 100 m may be aligned manually, not automatically. 4.2.3 Silica Cladding Size Range The fusion splicer shall be capable of making low-loss splices on silica fibers with cla
13、dding diameters from 125 to 230 m. However, cladding diameters larger than 140 m may be aligned manually, not automatically. 4.2.4 Coating Size Range Applicable. Different fiber holders may be used to accommodate different coating sizes. 4.2.5 Non-Strippable Coating Types Applicable. 4.2.6 Primary B
14、uffer Coating Materials Applicable. 4.2.7 Secondary Buffer/Coating (Jacket) Types Applicable. Different fiber holders may be used to accommodate different secondary buffer/coating types. 4.2.8 Secondary Buffer/Coating Materials and Diameters Applicable. Different fiber holders may be used to accommo
15、date different secondary buffer/coating materials and diameters. 4.2.9 Cable Strength Members Applicable. Different fiber holders may be used to accommodate different types of cable strength members. 4.2.10 Cable Jacket Sizes (Simplex Cables) Applicable. Different fiber holders may be used to accomm
16、odate different cable jacket sizes. 4.2.11 Cable Jacket Materials Applicable. Different fiber holders may be used to accommodate different cable jacket materials. 4.2.12 Insertion Losses Applicable. SAE INTERNATIONAL AS6479/1 Page 5 of 10 4.2.13 Splice Loss Estimation The fusion splicer shall calcul
17、ate and display an insertion loss estimate following every splicing cycle. It is understood that this will be inferred from indirect measurements, not obtained from a direct measurement of throughput. The accuracy of the estimate shall meet the criteria below: For splice losses 0.15 dB: not applicab
18、le. 4.2.14 Intrinsic Splice Strength Applicable. 4.3 Functional Requirements 4.3.1 Pre-Screen Applicable. 4.3.2 Post-Splice Assessment Applicable. 4.3.3 Tension Test Applicable. 4.3.4 Cable Preparation Length Applicable, and the jacket-to-jacket cutback separation shall be 50 mm. 4.3.5 Fiber Prepara
19、tion Length The exposed length of fiber (bare of any coating except polyimide or amorphous carbon) shall be nominally 22 mm, post-splice. 4.3.6 Self-Test Applicable. 4.3.7 Arc Power Compensation Applicable. 4.3.8 Arc Counter Applicable. 4.3.9 Electrode Life Applicable. 4.3.10 User Interface Applicab
20、le. SAE INTERNATIONAL AS6479/1 Page 6 of 10 4.3.11 Splice Data Storage At least 3000 splices, including at least one image of every splice. 4.3.12 Cover Interlock Applicable. 4.3.13 Electrical Power Applicable as detailed below. 4.3.13.1 Nominal and Alternate Power Sources The equipment shall operat
21、e from the following power sources: a. 50 Hz, 60 Hz, and 400 Hz single-phase 120/240 VAC per Table 3. b. 11 to 13.5 VDC external or internal power source. c. Optional: 28 VDC or other DC power source, internal or external: not applicable. 4.3.13.2 Steady-State Conditions (AC) Applicable. 4.3.13.3 Tr
22、ansient-State Conditions (AC) Applicable. 4.3.13.4 Interruption of power Source (AC) Applicable. 4.3.13.5 DC Power Sources The equipment shall be designed to operate from an accessory battery external to the splicer itself. 4.3.13.5.1 When operating from external DC power the equipment shall accept
23、a voltage in the range of 11 to 13.5 VDC. 4.3.13.5.2 The battery shall be rechargeable and supplied with a stand-alone recharger. 4.3.13.5.3 The battery shall be removable and replaceable by the user. 4.3.13.5.4 When operated on its battery the system shall be capable of performing at least 80 splic
24、es compliant with 4.2 under laboratory conditions. 4.3.13.5.5 Battery Restrictions Applicable. 4.3.13.5.6 Battery State Indicator Applicable. SAE INTERNATIONAL AS6479/1 Page 7 of 10 4.3.13.6 Power Consumption/Dissipation Applicable. 4.3.13.7 Power-On Indication Applicable. 4.3.14 Automatic Power-Dow
25、n Applicable. 4.3.15 Volume Applicable. 4.3.16 Weight Applicable. 4.3.17 Attachability Applicable. 4.3.18 Orientations Applicable. 4.3.19 Working Volume Applicable. 4.3.20 Modularity Applicable, except the umbilical cable may be up to 25 feet in length. 4.3.21 Restricted Materials Applicable. 4.3.22
26、 Display Monitor Visibility Applicable. 4.3.23 Chem/Bio Gear Not applicable. 4.4 Environmental and Mechanical Requirements 4.4.1 Explosive Atmosphere Applicable. 4.4.2 High and Low Temperature Storage Applicable. SAE INTERNATIONAL AS6479/1 Page 8 of 10 4.4.3 High and Low Temperature Operating Applic
27、able. 4.4.4 High Humidity Applicable. 4.4.5 Altitude Applicable. 4.4.6 Vibration 4.4.6.1 Random Vibration (Non-Operating) Applicable. 4.4.6.2 Sine Vibration (Operating) Applicable only when specified in the applicable purchase order or contract. 4.4.7 Shock Applicable. 4.4.8 Transit Drop Applicable.
28、 4.4.9 Bench Handling Applicable. 4.4.10 Fungus Resistance Applicable. 4.4.11 Salt Exposure Applicable. 4.4.12 Sand and Dust Resistance Applicable. 4.4.13 Watertight Not applicable unless specified in the applicable purchase order or contract. 4.4.14 Splash Resistance Applicable. 4.4.15 Drip-Proof A
29、pplicable. SAE INTERNATIONAL AS6479/1 Page 9 of 10 4.4.16 Electromagnetic Compatibility (EMC) Applicable except as noted below. 4.4.16.1 Basic Electromagnetic Compatibility Applicable. 4.4.16.2 Electromagnetic Environment (EME) Certification (Shipboard, Above Deck) Not applicable unless specified in
30、 the purchase order or contract). 4.4.16.3 Electromagnetic Radiation Hazards (EMRADHAZ) Certification (Shipboard, Above Deck) Not applicable unless specified in the purchase order or contract). 4.4.16.4 Failure Criteria Applicable. 4.5 Labelling and Packaging 4.5.1 Safety and Performance Applicable.
31、 4.5.2 Reference Designations Not applicable unless called out in the contract or purchase order. 4.5.3 Warning Markings Applicable. 4.5.4 Equipment Identification Applicable. 4.5.5 Equipment Identification Plate Applicable. 4.5.6 Government Nomenclature Assignment Applicable. 4.5.7 Packaging Applic
32、able. SAE INTERNATIONAL AS6479/1 Page 10 of 10 5. NOTES 5.1 A change bar (l) located in the left margin is for the convenience of the user in locating areas where technical revisions, not editorial changes, have been made to the previous issue of this document. An (R) symbol to the left of the document title indicates a complete revision of the document, including technical revisions. Change bars and (R) are not used in original publications nor in documents that contain editorial changes only. PREPARED BY SAE COMMITTEE AS-3, FIBER OPTICS AND APPLIED PHOTONICS
