1、 IEC/TR 62691 Edition 1.0 2011-12 TECHNICAL REPORT Optical fibre cables Guide to the installation of optical fibre cables IEC/TR 62691:2011(E)colourinsideCopyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-28-2014 by James Madison.No further reproduction or
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10、Customer Service Centre FAQ or contact us:Email:csciec.ch Tel.:+41 22 919 02 11 Fax:+41 22 919 03 00 Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-28-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.
11、IEC/TR 62691 Edition 1.0 2011-12 TECHNICAL REPORT Optical fibre cables Guide to the installation of optical fibre cables INTERNATIONAL ELECTROTECHNICAL COMMISSION U ICS 33.180.10 PRICE CODE ISBN 978-2-88912-817-4 Registered trademark of the International Electrotechnical Commission colourinsideCopyr
12、ighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-28-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.2 TR 62691 IEC:2011(E)CONTENTS FOREWORD.4 1 Scope.6 2 Normative references.6 3 Installation planning.7 Ins
13、tallation specification.7 3.1 Route considerations.7 3.2 Cable installation tension considerations.8 3.3 Cable tension predictions duct installations.8 3.4 Maximum cable tension.9 3.5 General.9 3.5.1 Total cable tension pulling applications.9 3.5.2 Total cable tension pushing,blowing,or pulling appl
14、ications.11 3.5.3 Installation temperature.15 3.6 Information and training.16 3.74 Cable installation methods.16 General considerations.16 4.1 Safety in confined spaces.16 4.2 Pre-installation procedures.16 4.3 Installation of optical cables in underground ducts.17 4.4 Application.17 4.4.1 Installat
15、ion using trenchless technique.17 4.4.2 Cable overload protection methods.17 4.4.3 Cable bending and guiding systems.17 4.4.4 Winching equipment and ropes.18 4.4.5 Cable friction and lubrication.18 4.4.6 Cable handling methods to maximise installed lengths.19 4.4.7 Jointing length allowance.19 4.4.8
16、 Blowing techniques for the installation of fiber optic cables into ducts.20 4.4.9 Optical fibre cable installation by floating technique.20 4.4.10 Installation of aerial optical cables.20 4.5 Application.20 4.5.1 Installation methods.20 4.5.2 Cable protection methods.21 4.5.3 Winching and guiding systems.21 4.5.4 Methods to maximise lengths.21 4.5.5 Jointing length allowance.21 4.5.6 In-service considerations.21 4.5.7 Installation of buried cable.22 4.6 Installation methods.22 4.6.1 Cables i
