1、 TIA-607-C-1 (Addendum to TIA-607-C) January 2017Generic Telecommunications Bonding and Grounding (Earthing) for Customer Premises Addendum 1- Bonding in Multi-tenant Buildings ANSI/TIA-607-C-1-2017 APPROVED: DECEMBER 27, 2016 NOTICE TIA Engineering Standards and Publications are designed to serve t
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20、S. ANSI/TIA-607-C-1 i Generic Telecommunications Bonding and Grounding (Earthing) for Customer Premises Addendum 1 Bonding in Multi-tenant Buildings Table of Contents FOREWORD . ii 1 SCOPE 1 2 NORMATIVE REFERENCES . 1 3 DEFINITIONS, ACRONYMS AND ABBREVIATIONS, UNITS OF MEASURE 1 3.1 General 1 3.2 De
21、finitions 1 3.3 Acronyms and abbreviations 1 3.4 Units of measure 1 4 OVERVIEW OF THE TELECOMMUNICATIONS BONDING INFRASTRUCTURE 1 4.1 General 1 4.2 Common bonding infrastructure . 3 4.2.1 General . 3 4.2.2 Common bonding busbar (CBB) . 3 4.2.3 Telecommunications bonding conductor (TBC) . 3 4.2.4 Com
22、mon telecommunications bonding backbone (CTBB) 3 4.2.5 Secondary bonding busbar (SBB) . 3 4.2.6 Backbone bonding conductor (BBC) . 4 4.3 Tenant bonding infrastructure 4 4.3.1 General . 4 4.3.2 Bonding of the primary bonding busbar. 4 4.3.2.1 Common bonding infrastructure present 4 4.3.2.2 Common bon
23、ding infrastructure not present 4 List of Figures Figure 1 Illustrative example of a multi-tenant building 2 ANSI/TIA-607-C-1 ii FOREWORD (This foreword is not considered part of this Standard) This Addendum was developed by TIA Subcommittee TR-42.16. Approval of this Addendum This Addendum was appr
24、oved by TIA Subcommittee TR-42.16, TIA Engineering Committee TR-42, and the American National Standards Institute (ANSI). ANSI/TIA reviews standards every 5 years. At that time, standards are reaffirmed, withdrawn, or revised according to the submitted updates. Updates to be included in the next rev
25、ision should be sent to the committee chair or to ANSI/TIA. Documents superseded None. Purpose The purpose of this Addendum is to specify requirements for a generic telecommunications bonding infrastructure in multi-tenant buildings Introduction ANSI/TIA-607-C describes bonding and grounding for bui
26、ldings which typically serve a single tenant. This has led to confusion as to how the requirements of the Standard are to be imple-mented in multi-tenant buildings. This Addendum describes a common bonding infrastructure intended to provide bonding for equipment providing shared services and for the
27、 bonding infra-structures in tenant spaces. It also describes the connection of the tenant bonding infrastruc-tures to the common bonding infrastructure, if present, or to the equipment (power) ground when a common bonding infrastructure is not present. ANSI/TIA-607-C-1 1 1 SCOPE This Addendum speci
28、fies requirements for a generic telecommunications bonding infrastructure in multi-tenant buildings. This Standard may also be used as a guide for the renovation or retro-fit of existing systems. 2 NORMATIVE REFERENCES None. 3 DEFINITIONS, ACRONYMS AND ABBREVIATIONS, UNITS OF MEASURE 3.1 General For
29、 the purposes of this Addendum, the definitions, acronyms, abbreviations and units of meas-ure of ANSI/TIA-607-C and the following apply. 3.2 Definitions common bonding busbar: A bonding busbar serving one or more common telecommunica-tions bonding backbones in a multi-tenant building. common distri
30、butor room: A distributor room that services tenants in a multi-tenant building. common telecommunications bonding backbone: A conductor that interconnects the com-mon bonding busbar of a multi-tenant building to the secondary bonding busbars for shared services and the primary bonding busbars in te
31、nant spaces. 3.3 Acronyms and abbreviations CBB common bonding busbar CTBB common telecommunications bonding backbone 3.4 Units of measure None 4 OVERVIEW OF THE TELECOMMUNICATIONS BONDING INFRASTRUCTURE 4.1 General The telecommunications bonding infrastructure in a multi-tenant building consists of
32、 the com-mon bonding infrastructure and the tenant bonding infrastructures. Figure 1 shows the relation-ship between the two. ANSI/TIA-607-C-1 2 C o m m o n e q u i p m e n tE q u i p m e n tC o m m o n e q u i p m e n tS B BC o m m o n d i s t r i b u t o rr o o mT e n a n t s p a c eT e l e c o m
33、m u n i c a t i o n s e n t r a n c e f a c i l i t y ( T E F )E l e c t r i c a l e n t r a n c e f a c i l i t yP a t h w a y sB a c k b o n e b o n d i n g c o n d u c t o r ( B B C )E q u i p m e n tE q u i p m e n tE q u i p m e n tP r i m a r y b o n d i n g b u s b a r ( P B B )T e n a n t s
34、p a c eT e n a n t s p a c eT e n a n t s p a c eC o m m o n b o n d i n g b u s b a r ( C B B )T e l e c o m m u n i c a t i o n s b o n d i n g c o n d u c t o r ( T B C )G r o u n d i n g E l e c t r o d e C o n d u c t o rG r o u n d i n g e l e c t r o d e s y s t e mC o m m o n t e l e c o m m
35、 u n i c a t i o n s b o n d i n g b a c k b o n e ( C T B B )B u s b a rS e r v i c e e q u i p m e n tP a n e l b o a r dB u i l d i n g s p a c e sB o n d i n g c o n d u c t o r a s l a b e l e dL E G E N DS t r u c t u r a l m e t a lP B BP B BP B BFigure 1 Illustrative example of a multi-tenan
36、t building ANSI/TIA-607-C-1 3 4.2 Common bonding infrastructure 4.2.1 General The common bonding infrastructure in a multi-tenant building provides potential equalization for shared services (e.g., building automations systems, intelligent building systems, distributed an-tenna systems). In addition
37、, it may provide the bonding infrastructure to which the tenant bond-ing infrastructures are connected. If common services are present in a building a common bonding infrastructure as described in this Addendum shall be provided. If no common services are present a common bonding infra-structure sho
38、uld be provided. NOTE Common equipment is typically housed in a common distributor room. If present, the common bonding infrastructure includes the following major components: a) common bonding busbar (CBB); b) telecommunications bonding conductor (TBC); and c) common telecommunications bonding back
39、bone (CTBB). and may also include the following: d) secondary bonding busbar (SBB); and, e) backbone bonding conductor (BBC). These telecommunications bonding components are intended to work with a buildings tele-communications pathways and spaces, installed cabling, and administration system. 4.2.2
40、 Common bonding busbar (CBB) The CBB serves as the dedicated extension of the building grounding electrode system for the telecommunications infrastructure. The CBB also serves as the central attachment point for the CTBB(s) and equipment. As such, it serves as the primary bonding busbar (PBB) for t
41、he entire multitenant building and shall meet the requirements for a PBB in ANSI/TIA-607-C. 4.2.3 Telecommunications bonding conductor (TBC) The TBC bonds the CBB to the service equipment (power) ground. See ANSI/TIA-607-C. 4.2.4 Common telecommunications bonding backbone (CTBB) The CTBB is a conduc
42、tor that interconnects all SBBs with the CBB. The intended function of a CTBB is to reduce or equalize potential differences for equipment providing shared services. In addition, the CTBB interconnects all primary bonding busbars (PBBs) in tenant spaces to the CBB. The CTBB shall meet the requiremen
43、ts for a TBB in ANSI/TIA-607-C. 4.2.5 Secondary bonding busbar (SBB) The SBB is the bonding connection point for shared telecommunications systems and equip-ment in the area served by a common distributor room. The SBB shall meet the requirements in ANSI/TIA-607-C. ANSI/TIA-607-C-1 4 4.2.6 Backbone
44、bonding conductor (BBC) When there are multiple CTTBs, the BBC is employed to interconnect them through the associ-ated busbars, either on the same floor in a multi-story building or in the same general area of a single story building. BBCs shall meet the requirements of ANSI/TIA-607-C. 4.3 Tenant b
45、onding infrastructure 4.3.1 General The tenant bonding infrastructure shall meet the requirements of ANSI/TIA-607-C with the ex-ception described in 4.3.2 4.3.2 Bonding of the primary bonding busbar The PBB of a building serving a single tenant is bonded to the service equipment (power) ground using
46、 a TBC. In a multi-tenant building the bonding of the PBB depends upon whether a common bonding infrastructure is present. 4.3.2.1 Common bonding infrastructure present If a common bonding infrastructure is present the tenant PBBs shall be bonded to the CTBB. This bonding shall meet the requirements
47、 for bonding of SBBs to the TBB in ANSI/TIA-607-C. 4.3.2.2 Common bonding infrastructure not present If a common bonding infrastructure is not present each tenant PBB shall be bonded to the equipment (power) ground of the tenants main electrical panel. The conductor used to provide this bond shall m
48、eet the requirements for a TBC in ANSI/TIA-607-C. THE TELECOMMUNICATIONS INDUSTRY ASSOCIATION TIA represents the global information and communications technology (ICT) industry through standards development, advocacy, tradeshows, business opportunities, market intelligence and world-wide environment
49、al regulatory analysis. Since 1924, TIA has been enhancing the business environment for broadband, wireless, information technology, cable, satellite, and unified communications. TIA members products and services empower communications in every industry and market, including healthcare, education, security, public safety, transportation, government, the utilities. TIA is accredited by the American National Standards Institute (ANSI).
