SANS 10061-2-2008 The installation of communal and single antenna systems for the reception of television and sound broadcast transmissions Part 2 Satellite antenna systems《电视及声音广播.pdf
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1、 Collection of SANS standards in electronic format (PDF) 1. Copyright This standard is available to staff members of companies that have subscribed to the complete collection of SANS standards in accordance with a formal copyright agreement. This document may reside on a CENTRAL FILE SERVER or INTRA
2、NET SYSTEM only. Unless specific permission has been granted, this document MAY NOT be sent or given to staff members from other companies or organizations. Doing so would constitute a VIOLATION of SABS copyright rules. 2. Indemnity The South African Bureau of Standards accepts no liability for any
3、damage whatsoever than may result from the use of this material or the information contain therein, irrespective of the cause and quantum thereof. ISBN 978-0-626-20494-5 SANS 10061-2:2008Edition 1.1 Any reference to SABS 061-2 is deemedto be a reference to this standard(Government Notice No. 1373 of
4、 8 November 2002)SOUTH AFRICAN NATIONAL STANDARD The installation of communal and single antenna systems for the reception of television and sound broadcast transmissions Part 2: Satellite antenna systems WARNING Can only be used in conjunction with SANS 10061-1. Published by Standards South Africa
5、1 dr lategan road groenkloof private bag x191 pretoria 0001 tel: 012 428 7911 fax: 012 344 1568 international code + 27 12 www.stansa.co.za Standards South Africa SANS 10061-2:2008 Edition 1.1 Table of changes Change No. Date Scope Amdt 1 2008 Amended to change the designation of SABS standards to S
6、ANS standards, to include information on relevant legislation, and to correct “antennae“, wherever it occurs, to read “antennas“. Acknowledgement The South African Bureau of Standards wishes to acknowledge the valuable assistance derived from publications of the following organizations: British Stan
7、dards Institution International Electrotechnical Commission Foreword This South African standard was approved by National Committee StanSA TC 74, Communication technology, in accordance with procedures of Standards South Africa, in compliance with annex 3 of the WTO/TBT agreement. This document was
8、published in May 2008. This document supersedes SABS 061-2:1994 (edition 1). A reference is made in 4.2 to “legal requirements“. In South Africa this means The application of the National Building Regulations (SANS 10400) and The wiring of premises Part 1: Low-voltage installations (SANS 10142-1). S
9、ANS 10061 consists of the following parts under the general title The installation of communal and single antenna systems for the reception of television and sound broadcast transmissions: Part 1: VHF and UHF television and VHF sound antenna systems. Part 2: Satellite antenna systems. SANS 10061-2:2
10、008 Edition 1.1 1 Contents Page Acknowledgement Foreword 1 Scope . 3 2 Normative references 3 3 Definitions 4 4 General installation requirements 4 4.1 Suitability of site 4 4.2 Legal requirements 4 5 Mechanical and electrical safety 4 5.1 General 4 5.2 Materials and protection 4 5.3 Mounting 4 5.4
11、Safety earthing and protection against atmospheric electricity . 5 5.5 Cable and cabling 5 5.6 Conduit and ducting 5 6 Outlet sockets 5 6.1 General 5 6.2 Dielectric strength 5 7 Distribution systems . 6 8 Antennas 6 8.1 Antenna selection 6 8.2 Siting of antennas 6 8.3 Impedance . 6 9 Signals . 6 9.1
12、 Signal levels 6 9.2 Grades of impairment 6 10 Information to be provided to the user . 9 Figures 1 and 2 7-8 Bibliography 9 Amdt 1 SANS 10061-2:2008 Edition 1.1 2 This page is intentionally left blank SANS 10061-2:2008 Edition 1.1 3 The installation of communal and single antenna systems for the re
13、ception of television and sound broadcast transmissions Part 2: Satellite antenna systems 1 Scope This part of SANS 10061 establishes principles for the installation of communal and single antenna systems for the reception of signals in the frequency range 11,2 GHz to 12,7 GHz from orbiting satellit
14、es. It includes the protection of such systems against atmospheric electrical disturbances. Associated receiving equipment is also covered. NOTE See also the NOTE to 1.1 of SANS 10061-1. 2 Normative references The following standards contain provisions which, through reference in this text, constitu
15、te provisions of this part of SANS 10061. All standards are subject to revision and, since any reference to a standard is deemed to be a reference to the latest edition of that standard, parties to agreements based on this part of SANS 10061 are encouraged to take steps to ensure the use of the most
16、 recent editions of the standards indicated below. Information on currently valid national and international standards may be obtained from Standards South Africa. SANS 1200 HC (SABS 1200 HC), Standardized specification for civil engineering construction Section HC: Corrosion protection of structura
17、l steelwork. SANS 1611, The mechanical requirements for satellite television receiving antennas. SANS 10061-1, The installation of communal and single antenna systems for the reception of television and sound broadcast transmissions Part 1: VHF and UHF television and VHF sound antenna systems. SANS
18、60065/IEC 60065, Audio, video and similar electronic apparatus Safety requirements. SANS 10061-2:2008 Edition 1.1 4 3 Definitions For the purposes of this part of SANS 10061, the relevant definitions given in SANS 10061-1 apply. 4 General installation requirements 4.1 Suitability of site It is the r
19、esponsibility of the installer to ensure that the proposed site is suitable with respect to reception conditions, aesthetic considerations and the possible presence of terrestrial interference, and that the proposed installation complies with the purchasers requirements. NOTE Directional parameters
20、of satellites may be changed at any time by the operators and the site and installation should therefore provide adequate east-west coverage. 4.2 Legal requirements It is the responsibility of the installer (or of the owner, as agreed upon) to ensure that the proposed installation complies with any
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