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/AS6479/2 AEROSPACE STANDARD AS6479/2 Issued 2015-07 Splicer, Fusion, Fiber Optic,
5、 Aerospace Non-Explosion-Proof (Type II) RATIONALE Type II fusion splicers are designed for difficult and hazardous environments characteristic of aerospace, but specifically excluding potentially flammable or explosive atmospheres. 1. SCOPE This detail specification defines fiber optic fusion splic
6、ers acceptable for the installation and repair of a wide range of optical fibers and cables with virtually no insertion loss, particularly in aerospace applications, but not in flammable or explosive atmospheres (Type II). The requirements for acquiring the splicer described herein shall consist of
7、this specification and the latest 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 specif
8、ic versions. In the event of 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 (outsi
9、de USA), www.sae.org. AS6479 Splicer, Fusion, Fiber Optic, Aerospace 3. CONFIGURATION Representative diagrams of this Type II 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 langu
10、age applies as-written in this detail specification, the reference is described as “applicable.” If there is any deviation or alternative specification, it is described in detail. SAE INTERNATIONAL AS6479/2 Page 2 of 11 4.1 General All provisions of 4.1 of the general standard are applicable to this
11、 detail specification to the extent detailed below. Figure 1 - Fusion splicer 4.2 Splicing Capabilities 4.2.1 Types of Fibers Applicable. 4.2.2 Core Size Range The fusion splicer shall be capable of making low-loss splices on silica fibers with core sizes from 5.8 to 200 m. However, no one version o
12、f this device need splice all fiber core sizes, or core sizes larger than 100 m may be aligned manually, not automatically, or may require special fiber holders. SAE INTERNATIONAL AS6479/2 Page 3 of 11 4.2.3 Silica Cladding Size Range The fusion splicer shall be capable of making low-loss splices on
13、 silica fibers with cladding diameters from 125 to 230 m. However, no one version of this device need splice all fiber cladding sizes, or cladding diameters larger than 140 m may be aligned manually, not automatically, or may require special fiber holders. Figure 2 - Controller top and side views SA
14、E INTERNATIONAL AS6479/2 Page 4 of 11 Figure 3 - Controller, end views Figure 4 - Umbilical cable SAE INTERNATIONAL AS6479/2 Page 5 of 11 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.
15、2.6 Primary Buffer 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 us
16、ed to accommodate 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 u
17、sed to accommodate 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. 4.2.13 Splice Loss Estimation The fusion splicer shall calculate and display an insertio
18、n 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 applicable. 4.2.14 Intrinsic Splice
19、 Strength Applicable. SAE INTERNATIONAL AS6479/2 Page 6 of 11 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
20、Fiber Preparation 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 Inter
21、face Applicable. 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. SAE INTERNATIONAL AS6479/2 Page 7 of 11 4.3.13.1 Nominal and Alternate Power Sources The equipment
22、 shall operate 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
23、. 4.3.13.3 Transient-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
24、shall accept 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 l
25、east 80 splices compliant with 4.2 under laboratory conditions. 4.3.13.5.5 Battery Restrictions Not applicable. 4.3.13.5.6 Battery State Indicator Applicable. 4.3.13.6 Power Consumption/Dissipation Applicable. 4.3.13.7 Power-On Indication Applicable. 4.3.14 Automatic Power-Down Applicable. SAE INTER
26、NATIONAL AS6479/2 Page 8 of 11 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 (7.62 m) in length. 4.3.21 Restricted Ma
27、terials Applicable. 4.3.22 Display Monitor Visibility Not applicable unless specified. 4.3.23 Chem/Bio Gear Not applicable. 4.4 Environmental and Mechanical Requirements 4.4.1 Explosive Atmosphere Not applicable. 4.4.2 High and Low Temperature Storage Applicable. 4.4.3 High and Low Temperature Opera
28、ting Applicable. 4.4.4 High Humidity Applicable. SAE INTERNATIONAL AS6479/2 Page 9 of 11 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. 4.4.7 Shock Applicable. 4.4.8 Transit Drop Appli
29、cable. 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-P
30、roof Applicable. SAE INTERNATIONAL AS6479/2 Page 10 of 11 4.4.16 Electromagnetic Compatibility (EMC) Applicable to the extent noted below. 4.4.16.1 Basic Electromagnetic Compatibility Substitute the following requirements from MIL-STD-28800 in place of those specified in AS6479: Table 1 Requirement
31、Test Conditions Conducted emissions, power leads CISPR 11, Class A, 150 kHz to 30 MHz Conducted immunity, power leads IEC 1000-4-6, 3 VACrms, 150 kHz to 80 MHz, 80% amplitude modulation with 1 kHz sine wave Conducted immunity, power leads, spikes IEC 1000-4-4, 1 kV peak for AC lines; 0.5 kV peak for
32、 signal, control, and DC lines; 5 ns Tr (T-rise) and 50 ns Th (T-hold); 5 kHz repetition frequency Radiated emissions, electric field CISPR 11, Class A, 30 to 1000 MHz Radiated immunity, electric field IEC 1000-4-3, 3 V/m, 80 to 1000 MHz, 80% amplitude modulation, with 1 kHz sine wave Electrostatic
33、discharge immunity IEC 1000-4-2, 4 kV contact discharge, 8 kV air discharge 4.4.16.2 Electromagnetic Environment (EME) Certification (Shipboard, Above Deck) Not applicable. 4.4.16.3 Electromagnetic Radiation Hazards (EMRADHAZ) Certification (Shipboard, Above Deck) Not applicable. 4.4.16.4 Failure Cr
34、iteria Applicable. 4.5 Labelling and Packaging 4.5.1 Safety and Performance Applicable. 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. SAE INTERNATIONAL AS6479/2 Page 11 of
35、 11 4.5.5 Equipment Identification Plate Applicable. 4.5.6 Government Nomenclature Assignment Applicable. 4.5.7 Packaging Applicable. 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 b
36、een 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
