GB/T 31070.2-2018 English PDFUS$279.00 ยท In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 31070.2-2018: Building intercom systems -- Part 2: Technical requirements for digital building intercom systems Status: Valid
Basic dataStandard ID: GB/T 31070.2-2018 (GB/T31070.2-2018)Description (Translated English): Building intercom systems -- Part 2: Technical requirements for digital building intercom systems Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: A91 Classification of International Standard: 13.310 Word Count Estimation: 14,160 Date of Issue: 2018-12-28 Date of Implementation: 2019-07-01 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 31070.2-2018: Building intercom systems -- Part 2: Technical requirements for digital building intercom systems---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order. Building intercom systems--Part 2. Technical requirements for digital building intercom systems ICS 13.310 A91 National Standards of People's Republic of China Building intercom system Part 2. Technical requirements for all digital systems Buildingintercomsystems-Part 2.Technicalrequirementsfor Published on.2018-12-28 2019-07-01 implementation State market supervision and administration China National Standardization Administration issued ContentForeword I 1 Scope 1 2 Normative references 1 3 Terms, definitions and abbreviations 1 4 system structure 2 5 Functional requirements 2 5.1 Basic functions 2 5.2 Extended function 2 5.3 Configuring the Management System 3 6 Performance requirements 3 6.1 Audio Features 3 6.2 Video Features 3 6.3 Power supply voltage adaptability 3 6.4 Environmental adaptability 3 6.5 Security 3 6.6 Electromagnetic compatibility 3 6.7 Network and Information Security 4 6.8 Marking and mechanical structure 4 7 Test method 4 7.1 Test conditions 4 7.2 Function check 4 7.3 Audio Characteristics Test 4 7.4 Video Characteristics Test 7 7.5 Power supply voltage adaptability test 8 7.6 Environmental Adaptability Test 8 7.7 Safety Test 8 7.8 Electromagnetic compatibility test 8 7.9 Network and Information Security Trial 8 7.10 Marking and mechanical structure test 9 8 Documentation 9 9 Inspection rules 9 9.1 Inspection Category 9 9.2 Test items and sequence 10 9.3 Group Batch Rule 10 9.4 Sampling Rules 11 9.5 Decision Rule 11 9.6 Disposal of nonconforming product 11 9.7 batch resubmission 11ForewordGB/T 31070 "Building House Intercom System" is divided into 4 parts. --- Part 1. General technical requirements; --- Part 2. Technical requirements for all-digital systems; --- Part 3. Extended application system technical requirements; --- Part 4. Application Guide. This part is the second part of GB/T 31070. This part is 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 issuing organization of this document is not responsible for identifying these patents. This part is proposed by the Ministry of Public Security of the People's Republic This part is under the jurisdiction of the National Security and Alarm System Standardization Technical Committee (SAC/TC100). This section drafted by. the Third Institute of the Ministry of Public Security, the First Institute of the Ministry of Public Security, Shenzhen Shidean Anglo Green Electronics Co., Ltd., Xiamen Lilin Technology Co., Ltd., Fujian Guanlin Technology Co., Ltd., Xiamen Di Nike Electronic Technology Co., Ltd., Zhongshan Amin Electronics Co., Ltd. Division, Xiamen ABB Zhenwei Electrical Equipment Co., Ltd., National Security and Alarm System Product Quality Supervision and Inspection Center (Shanghai), National Security Security Alarm System Product Quality Supervision and Inspection Center (Beijing). The main drafters of this section. Yan Ling, Zhang Dayong, Shi Juling, Shi Yuan, Tang Guangyao, Jie Guiqiu, Zhang Jiguo, Yan Xiren, Zhuang Wei, Huang Wei, Chen Yu, Chen Ping, Zhang Yangpeng. Building intercom system Part 2. Technical requirements for all digital systems1 ScopeThis part of GB/T 31070 specifies the system structure, functional requirements, performance requirements, test methods, and descriptions of the all-digital building intercom system. Documents and inspection rules. This section applies to the building intercom system using digital processing technology.2 Normative referencesThe following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 2828.1-2012.Sampling procedures for counting sampling - Part 1. Quantitative inspection by batches plan GB/T 2829-2002 Periodic inspection count sampling procedures and tables (applicable to the inspection of process stability) GB/T 31070.1-2014 Building intercom system Part 1. General technical requirements ITU-TP.501 Test Signals for Telephone Measurements (Testsignalsforuseintelephonometry) 3 Terms, definitions and abbreviations 3.1 Terms and definitions The following terms and definitions as defined in GB/T 31070.1-2014 apply to this document. 3.1.1 All-digital building intercom system digitalbuildingintercomsystem All audio and video signals that make up the device use digital processing technology and are based on the cable intercom system of the cable digital transmission network. 3.1.2 Audio delay audiodelay The one-way delay time required for the audio signal to be excited from the local intercom terminal to the remote intercom terminal. 3.1.3 Intercom terminal intercomunit In the system, a device that can establish a call. Note 1. Intercom terminals include management machines, guest callers and user receivers. Note 2. When other devices such as smartphones, tablets, etc. are connected to the system network, they should not be regarded as intercom terminals, but only as extension devices of user receivers. 3.1.4 Echo suppression echoreturnloss The local intercom terminal transmits the voice signal transmitted from the far end to the remote end. 3.1.5 Audio conversion time audioswitchingtime The time it takes for the audio transmission channel to switch from one direction to the other. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 31070.2-2018_English be delivered?Answer: Upon your order, we will start to translate GB/T 31070.2-2018_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 31070.2-2018_English with my colleagues?Answer: Yes. 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