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Technical requirement and method of measurement for network interface module of digital terrestrial television
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Basic data
| Standard ID | GB/T 33558-2017 (GB/T33558-2017) |
| Description (Translated English) | Technical requirement and method of measurement for network interface module of digital terrestrial television |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | M74 |
| Classification of International Standard | 33.160.99 |
| Word Count Estimation | 5,554 |
| Date of Issue | 2017-05-12 |
| Date of Implementation | 2017-12-01 |
| Quoted Standard | GB 20600-2006; GB/T 26272-2010; GB/T 26683-2011; GB/T 26684-2011; SJ/T 11324-2006; SJ/T 11326 |
| Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China |
| Summary | This standard specifies the technical requirements and measurement methods for UHF/UHF & gt; Network Interface Module (hereinafter referred to as NIM module) for terrestrial digital television receiving equipment. This standard is applicable to terrestrial digital television receiving equipment Stream output UHF/UHF (VHF/UHF) NIM module. |
GB/T 33558-2017: Technical requirement and method of measurement for network interface module of digital terrestrial television
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Technical requirement and method of measurement for network interface module of digital terrestrial television
ICS 33.160.99
M74
National Standards of People's Republic of China
Terrestrial Digital TV Network Interface Module (NIM)
Technical requirements and measurement methods
2017-05-12 released
2017-12-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Management Committee released
Foreword
This standard 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 issuer of this document does not assume responsibility for the identification of these patents.
This standard is proposed by the Ministry of Industry and Information Technology of the People's Republic of China.
This standard is nationalized by the National Audio, Video and Multimedia Systems and Equipment Standardization Technical Committee (SAC/TC242).
The main drafting unit of this standard. Hangzhou Guoxin Technology Co., Ltd., China Electronic Technology Standardization Research Institute, National Digital Audio and Video
And multimedia product quality supervision and inspection center.
The main drafters of this standard. Hu Peng, Fu Liang, Chen Renwei, Qi Qi, Cheng Xi.
Terrestrial Digital TV Network Interface Module (NIM)
Technical requirements and measurement methods
1 Scope
This standard specifies the UHF/UHF (high frequency) (UHF) network interface module for terrestrial digital television receiving equipment (hereinafter referred to as "
NIM module) technical requirements and measurement methods.
This standard is applicable to terrestrial digital television receiving equipment with UHF/UHF (UHF) NIM with transmission stream output
Module.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
Digital TV terrestrial broadcasting transmission system frame structure, channel coding and modulation GB/T
Basic performance requirements and measurement methods for terrestrial digital television tuners GB/T 26272-2010
GB/T 26683-2011 General specification for terrestrial digital television receivers
Measurement method of terrestrial digital television receiver GB/T 26684-2011
Terminology of digital television receiving equipment - SJ/T 11324-2006
Environmental testing methods for digital television receiving and display devices
3 terms, definitions and abbreviations
3.1 Terms and definitions
SJ/T 11324-2006 Definitions of terms and definitions apply to this document.
3.2 abbreviations
The following abbreviations apply to this document.
NIM --- Network Interface Module (NetworkInterfaceModule)
RF --- Radio Frequency (RadioFrequency)
UHF --- Ultra High Frequency (UltraHighFrequency)
VHF --- Very high frequency (VeryHighFrequency)
4 technical requirements
4.1 appearance structure requirements
NIM module appearance should be neat, the surface should not have bump marks, scratches, cracks, burrs, moldy and other defects, the surface coating should not blister, turtle
Crack, fall off and so on.
NIM module metal parts should be tightened without loosening, should not have corrosion and other mechanical damage, irrigation should not spill.
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