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GB/T 31070.1-2014: Building intercom systems - Part 1: General technical requirements Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsGB/T 31070.1-2014: Building intercom systems - Part 1: General technical requirements---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT31070.1-2014GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 13.310 A 91 Building intercom systems – Part 1. General technical requirements Issued on: DECEMBER 22, 2014 Implemented on: JUNE 01, 2015 Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of the People's Republic of China. 3. No action is required - Full-copy of this standard will be automatically & immediately delivered to your EMAIL address in 0~60 minutes. Table of ContentsForeword ... 4 1 Scope ... 5 2 Normative references ... 5 3 Terms, definitions and abbreviations ... 6 3.1 Terms and definitions ... 6 3.2 Abbreviations ... 8 4 Composition of typical building intercom system ... 8 4.1 Single-address building intercom system ... 8 4.2 Multi-address building intercom system ... 9 4.3 Combined building intercom system ... 9 5 Functional requirements ... 10 5.1 Basic functional requirements ... 10 5.2 Extended functional requirements ... 12 6 Performance requirements ... 12 6.1 Audio characteristics ... 12 6.2 Video characteristics ... 14 6.3 Power supply voltage adaptability requirements ... 15 6.4 Environmental adaptability requirements ... 15 6.5 Safety requirements ... 16 6.6 Electromagnetic compatibility requirements ... 16 6.7 Marking and mechanical structure requirements ... 17 7 Test method ... 19 7.1 Test conditions ... 19 7.2 Functional inspection ... 19 7.3 Audio characteristics test ... 19 7.4 Video characteristics test ... 19 7.5 Power supply voltage adaptability test ... 19 7.6 Environmental adaptability test ... 20 7.7 Safety test ... 20 7.8 Electromagnetic compatibility ... 21 7.9 Marking and mechanical structure tests ... 21 7.10 Enclosure protection capacity test ... 22 8 Documentation ... 23 9 Inspection rules ... 23 9.1 Inspection classification ... 23 9.2 Test items and sequences ... 24 9.3 Batching rules ... 25 9.4 Sampling rules ... 25 9.5 Judgment rules ... 26 9.6 Disposal of nonconformance product ... 26 9.7 Batch re-submission ... 27 Appendix A (Normative) Audio characteristic test ... 28 A.1 Test conditions ... 28 A.2 Overall loudness rating test ... 28 A.3 Overall sensitivity/frequency characteristic test ... 33 A.4 Acoustic distortion test ... 33 A.5 Channel S/N test ... 34 A.6 Sidetone masking rating test ... 34 A.7 Idle channel noise test ... 34 A.8 Ringing sound pressure test ... 35 Appendix B (Normative) Video characteristics test ... 36 B.1 Test conditions ... 36 B.2 Test system connection ... 36 B.3 Image resolution test ... 37 B.4 Gray scale test ... 37 B.5 Color reproduction test ... 38 B.6 Low illumination adaptability test ... 38ForewordGB/T 31070 "floor apartment intercom system" is divided into four parts. - Part 1. General technical requirements; - Part 2. Total digital system technical requirements; - Part 3. High security system technical requirements; - Part 4. Application guide. This part is part 1 of GB/T 31070. This part was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that some of the contents of this document may involve patents. The issuer of this document shall not be responsible for the identification of such patents. This part was proposed by the Ministry of Public Security of the People's Republic of China. This part shall be under the jurisdiction of the National Security Alarm System Standardization Technical Committee (SAC/TC 100). The drafting organizations of this part. Ministry of Public Security Third Institute, Ministry of Public Security First Institute, Xiamen legislature Lin Technology Co., Ltd., Shenzhen Shidean Legrand Electronic Products Co., Ltd., Xiamen Dnake Electronic Technology Co., Ltd., Fujian Guanlin Technology Co., Ltd., Zhongshan Aomin Electronics Co., Ltd., National Security Alarm System Product Quality Supervision and Inspection Center (Shanghai), National Security Alarm System Product Quality Supervision and Inspection Center (Beijing). The main drafters of this part. Rong Ling, Tang Guangyao, Sun Yuli, Shi Juling, Zhang Dayong, Xie Guiqiu, Zhuang Wei, Zhang Jiguo, Shi Yuan, Miao Xiren, Duan Yajun, Huang Yueping, Chen Mi, Chen Ping. Building intercom systems – Part 1. General technical requirements1 ScopeThis part of GB/T 31070 specifies the general technical requirements such as the composition, functional requirements, performance requirements, test methods and inspection rules of the building intercom system. This part applies to the building intercom system used in residential and commercial buildings (hereinafter referred to as “system”).2 Normative referencesThe following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) are applicable to this Standard. GB/T 2828.1-2012 Sampling procedures for inspection by attributes - Part 1. Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection GB/T 2829-2002 Sampling procedures and tables for periodic inspection by attributes (apply to inspection of process stability) GB 4208 Degrees of protection provided by enclosure (IP code) GB 9254-2008 Information technology equipment - Radio disturbance c... ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of GB/T 31070.1-2014 be delivered?Answer: The full copy PDF of English version of GB/T 31070.1-2014 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of GB/T 31070.1-2014_English with my colleagues?Answer: Yes. 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