TIA-568-B 1-5-2004 Commercial Building Telecommunications Cabling Standard Part 1 General Requirements Addendum 5 Telecommunications Cabling for Telecommunications Enclosures Adden.pdf

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1、 TIA STANDARD Commercial Building Telecommunications Cabling Standard Part 1: General Requirements Addendum 5 Telecommunications Cabling for Telecommunications Enclosures TIA-568-B.1-5 (Supplement to TIA/EIA-568-B.1) TELECOMMUNICATIONS INDUSTRY ASSOCIATION Representing the telecommunications industr

2、y in association with the Electronic Industries Alliance ANSI/TIA-568-B.1-5-2004 Approved: March 18, 2004 Copyright Telecommunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NOTICE TIA Engineering

3、Standards and Publications are designed to serve the public interest through eliminating misunderstandings between manufacturers and purchasers, facilitating interchangeability and improvement of products, and assisting the purchaser in selecting and obtaining with minimum delay the proper product f

4、or their particular need. The existence of such Standards and Publications shall not in any respect preclude any member or non-member of TIA from manufacturing or selling products not conforming to such Standards and Publications. Neither shall the existence of such Standards and Publications preclu

5、de their voluntary use by Non-TIA members, either domestically or internationally. Standards and Publications are adopted by TIA in accordance with the American National Standards Institute (ANSI) patent policy. By such action, TIA does not assume any liability to any patent owner, nor does it assum

6、e any obligation whatever to parties adopting the Standard or Publication. This Standard does not purport to address all safety problems associated with its use or all applicable regulatory requirements. It is the responsibility of the user of this Standard to establish appropriate safety and health

7、 practices and to determine the applicability of regulatory limitations before its use. (From Standards Proposal No. 3-4425-AD5, formulated under the cognizance of the TIA TR-42 Committee on User Premises Telecommunications Cabling Infrastructure.) Published by TELECOMMUNICATIONS INDUSTRY ASSOCIATIO

8、N 2002 Standards and Technology Department 2500 Wilson Boulevard Arlington, VA 22201 U.S.A. PRICE: Please refer to current Catalog of TIA TELECOMMUNICATIONS INDUSTRY ASSOCIATION STANDARDS AND ENGINEERING PUBLICATIONS or call Global Engineering Documents, USA and Canada (1-800-854-7179) International

9、 (303-397-7956) or search online at http:/www.tiaonline.org/standards/search_n_order.cfm All rights reserved Printed in U.S.A. Copyright Telecommunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-PL

10、EASE! DONT VIOLATE THE LAW! This document is copyrighted by the TIA and may not be reproduced without permission. Organizations may obtain permission to reproduce a limited number of copies through entering into a license agreement. For information, contact: Global Engineering Documents 15 Inverness

11、 Way East Englewood, CO 80112-5704 U.S.A. or call U.S.A. and Canada 1-800-854-7179, International (303) 397-7956 Copyright Telecommunications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NOTICE OF DISCLA

12、IMER AND LIMITATION OF LIABILITY The document to which this Notice is affixed has been prepared by one or more Engineering Committees of the Telecommunications Industry Association (“TIA”). TIA is not the author of the document contents, but publishes and claims copyright to the document pursuant to

13、 licenses and permission granted by the authors of the contents. TIA Engineering Committees are expected to conduct their affairs in accordance with the TIA Engineering Manual (“Manual”), the current and predecessor versions of which are available at http:/www.tiaonline.org/standards/sfg/engineering

14、_manual.cfm. TIAs function is to administer the process, but not the content, of document preparation in accordance with the Manual and, when appropriate, the policies and procedures of the American National Standards Institute (“ANSI”). THE USE OR PRACTICE OF CONTENTS OF THIS DOCUMENT MAY INVOLVE T

15、HE USE OF INTELLECTUAL PROPERTY RIGHTS (“IPR”), INCLUDING PENDING OR ISSUED PATENTS, OR COPYRIGHTS, OWNED BY ONE OR MORE PARTIES. TIA MAKES NO SEARCH OR INVESTIGATION FOR IPR. WHEN IPR CONSISTING OF PATENTS AND PUBLISHED PATENT APPLICATIONS ARE CLAIMED AND CALLED TO TIAS ATTENTION, A STATEMENT FROM

16、THE HOLDER THEREOF IS REQUESTED, ALL IN ACCORDANCE WITH THE MANUAL. TIA TAKES NO POSITION WITH REFERENCE TO, AND DISCLAIMS ANY OBLIGATION TO INVESTIGATE OR INQUIRE INTO, THE SCOPE OR VALIDITY OF ANY CLAIMS OF IPR. ALL WARRANTIES, EXPRESS OR IMPLIED, ARE DISCLAIMED, INCLUDING WITHOUT LIMITATION, ANY

17、AND ALL WARRANTIES CONCERNING THE ACCURACY OF THE CONTENTS, ITS FITNESS OR APPROPRIATENESS FOR A PARTICULAR PURPOSE OR USE, ITS MERCHANTABILITY AND ITS NON-INFRINGEMENT OF ANY THIRD PARTYS INTELLECTUAL PROPERTY RIGHTS. TIA EXPRESSLY DISCLAIMS ANY AND ALL RESPONSIBILITIES FOR THE ACCURACY OF THE CONT

18、ENTS AND MAKES NO REPRESENTATIONS OR WARRANTIES REGARDING THE CONTENTS COMPLIANCE WITH ANY APPLICABLE STATUTE, RULE OR REGULATION. TIA SHALL NOT BE LIABLE FOR ANY AND ALL DAMAGES, DIRECT OR INDIRECT, ARISING FROM OR RELATING TO ANY USE OF THE CONTENTS CONTAINED HEREIN, INCLUDING WITHOUT LIMITATION A

19、NY AND ALL INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF BUSINESS, LOSS OF PROFITS, LITIGATION, OR THE LIKE), WHETHER BASED UPON BREACH OF CONTRACT, BREACH OF WARRANTY, TORT (INCLUDING NEGLIGENCE), PRODUCT LIABILITY OR OTHERWISE, EVEN IF ADVISED OF THE POSSIBI

20、LITY OF SUCH DAMAGES. THE FOREGOING NEGATION OF DAMAGES IS A FUNDAMENTAL ELEMENT OF THE USE OF THE CONTENTS HEREOF, AND THESE CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. Copyright Telecommunications Industry Association Provided by IHS under license with EIANot for ResaleNo repr

21、oduction or networking permitted without license from IHS-,-,-TIA-568-B.1-5 1 Telecommunications Cabling for Telecommunications Enclosures Addendum 5 to ANSI/TIA/EIA-568-B.1 1 INTRODUCTION The purpose of this addendum is to complement the recognition of TEs in TIA-569-B by providing cabling requirem

22、ents on when and where to use this space. This maintains structured cabling while providing additional flexibility offered by a TE in certain situations. Revisions are identified in the following text with additions shown in bold italics and deletions shown as strikeout. 2 SCOPE This Standard specif

23、ies minimum requirements for telecommunications cabling within an environment that uses telecommunications enclosures in its infrastructure. A telecommunications enclosure as defined in ANSI/TIA/EIA-569-B is a case or housing that is dedicated to the telecommunications function and related support f

24、acilities. Just like a telecommunications room, the telecommunications enclosure is a common access point for backbone and building pathways. The use of telecommunications enclosures is a specific implementation and not a general case. A telecommunications enclosure is intended to serve a smaller fl

25、oor area than a telecommunications room (see TIA-EIA 569-B). One must plan in advance if a telecommunications enclosure is needed and make sure that the introduction of this space will not create issues regarding the structured cabling systems, the management and administration of the installation.

26、TEs may be used as an addition to the minimum requirements of TIA-569-B that require one telecommunications room per floor and recommend an additional TR for each area up to 1000 m2(10000 ft2). The number of TRs required or recommended in TIA-569-B is not reduced by the use of TEs. TEs may also be u

27、sed for serving certain environments like classrooms, entrance lobbies, or historic buildings. This Standard provides requirements to retain the integrity of a structured cabling system, when a telecommunications enclosure is required. 3 CLAUSE REVISIONS 1.5 Telecommunications cabling system structu

28、re Figure 1-1 illustrates a representative model for the various functional elements that comprise a commercial building telecommunications cabling system. It depicts the relationship between the elements and how they are configured to create a total system. The elements of the telecommunications ca

29、bling system structure are: a) Horizontal cabling (clause 4); b) Backbone cabling (clause 5); c) Work area (clause 6); d) Telecommunications rooms and telecommunications enclosures (clause 7); e) Equipment rooms (clause 8); f) Entrance facilities (clause 9); and, g) Administration. Copyright Telecom

30、munications Industry Association Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TIA-568-B.1-5 2 NOTE Basic administration information is covered in various locations throughout this Standard. Refer to ANSI/TIA/EIA-606-A for mo

31、re information regarding administration. NOTES 1 This figure is not meant to be an all-inclusive representation of the telecommunications cabling system and is provided only as a typical example. 2 All cross-connects located in the telecommunications rooms (TRs) and telecommunications enclosures (TE

32、s) in this figure are horizontal cross-connects (HCs). Figure 1-1 Typical telecommunications cabling system Building 2 Building 3 Building 4 EF InterbuildingBackbone Cabling Legend Access provider AP Entrance facility EF Equipment room ER Intermediate cross-connect IC Main cross-connect MC Telecommu

33、nications room TR Telecommunications Enclosure.TE Work area WA Telecommunications outlet/connector Cross-connect Splice Building 1AP Horizontal Cabling Intrabuilding Backbone Cabling TR ER/TR IC TR MC EF&ERWA TR IC TE EFEF & ER WA TR IC TR EF&ERWA TE IC TR WA Copyright Telecommunications Industry As

34、sociation Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TIA-568-B.1-5 3 3.2 Definition of terms The generic definitions in this clause have been formulated for use by the entire family of telecommunications infrastructure sta

35、ndards. Specific requirements are found in the normative clauses of this Standard. For the purposes of this Standard, the following definitions apply. backbone: 1) A facility (e.g., pathway, cable or conductors) between any of the following spaces: telecommunications rooms, telecommunications enclos

36、ures, common telecommunications rooms, floor serving terminals, entrance facilities, equipment rooms, and common equipment rooms. 2) in a data center, a facility (e.g. pathway, cable or conductors) between any of the following spaces: entrance rooms or spaces, main distribution areas, horizontal dis

37、tribution areas, telecommunications rooms.(TR-42.1.1) building backbone: Pathways or cabling between telecommunications service entrance rooms, equipment rooms, telecommunications rooms, or telecommunications enclosures within a building. centralized cabling: A cabling configuration from the work ar

38、ea to a centralized cross-connect using pull through cables, an interconnect, or splice in the telecommunications room or telecommunications enclosure. enclosure, telecommunications: A case or housing for telecommunications equipment, cable terminations, or horizontal cross-connect cabling. intrabui

39、lding telecommunications backbone: This term is out dated term. See building backbone. space (telecommunications): An area used for housing the installation and termination of telecommunications equipment and cable, e.g., common equipment rooms, equipment rooms, common telecommunications rooms, tele

40、communications rooms, telecommunications enclosures, work areas, and maintenance holes/handholes. telecommunications enclosure: See enclosure, telecommunications. 3.3 Acronyms and abbreviations TE telecommunications enclosure Copyright Telecommunications Industry Association Provided by IHS under li

41、cense with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TIA-568-B.1-5 4 4.1 General The horizontal cabling is the portion of the telecommunications cabling system that extends from the work area telecommunications outlet/connector to the horizontal cross-conn

42、ect in the telecommunications room or when used, in the telecommunications enclosure. The horizontal cabling includes horizontal cables, telecommunications outlet/connectors in the work area, mechanical terminations, and patch cords or jumpers located in the telecommunications room or when used, in

43、the telecommunications enclosure, and may include multi-user telecommunications outlet assemblies and consolidation points. NOTE - The term “horizontal“ is used since typically the cable in this part of the cabling system runs horizontally along the floor(s) or ceiling(s) of a building. The followin

44、g list of common services and systems should be considered when the horizontal cabling is designed. (The list is not intended to be complete.) a) Voice telecommunications service b) Premises switching equipment c) Data communications d) Local area networks (LAN) e) Video f) Other building signaling

45、systems (building automation systems such as fire, security, HVAC, EMS, etc.) In addition to satisfying todays telecommunications requirements, the horizontal cabling should be planned to reduce on-going maintenance and relocation. It should also accommodate future equipment and service changes. Aft

46、er construction of the building, the horizontal cabling is often much less accessible than the backbone cabling. The time, effort, and skills required for changes can be extremely high. In addition, access to the horizontal cabling frequently causes disruption to occupants and their work. These fact

47、ors make the choice and layout of horizontal cable types very important to the design of the building cabling. Consideration should be given to accommodating a diversity of user applications in order to reduce or eliminate the probability of requiring changes to the horizontal cabling as user needs

48、evolve. The pathways and spaces shall be designed and installed to support horizontal cabling in accordance with the requirements of ANSI/TIA/EIA-569-A ANSI/TIA/EIA-569-B. 4.2 Topology The horizontal cabling shall be installed in a star topology as shown in figure 4-1. Each work area telecommunicati

49、ons outlet/connector shall be connected to a horizontal cross-connect in a telecommunications room or when used, in the telecommunications enclosure via the horizontal cable. A telecommunications room or when used, a telecommunications enclosure should be located on the same floor as the work areas served. Some networks or services require applications-specific e

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