TB/T 3026.2-2002Digital conference phone control terminal technical requirements (English PDF)
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Issued by
National Railway Administration
Level / Type
National · Recommended
Issue date
February 9, 2002
Implementation date
July 1, 2002
Scope
TB/T 3026.2-2002 (Digital conference phone control terminal technical requirements) is available as an English-translated PDF.
TB/T 3026.2-2002 is the Chinese standard "Digital conference phone control terminal technical requirements". This standard specifies the digital conference phone control terminal of the technical requirements.
This standard applies to digital conference phone control terminal design, production and testing, but also for scientific research and engineering design. Issued on 2002-02-09, in force from 2002-07-01.
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Document preview — TB/T 3026.2-2002
National Standard of the People's Republic of China
- Classification
- M40
Contents
- [Preview only]
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 3.1 General requirements
- 3.2 Designation
- 4 Technical requirements
- 4.2 Material Requirements
- 5 Inspection methods
- 5.1 Appearance and Dimension Inspection
- 6 Inspection rules
- 7 Marking, packaging, transportation and storage
1 Foreword
TB/T 3026.2-2002 was issued by National Railway Administration on 9 February 2002 and has been in force since 1 July 2002.
It is one of 6 parts of the TB/T 3026 series.
The TB/T prefix marks a recommended standard. It is not law in itself: it becomes binding when a contract names it, when a regulation or a mandatory standard refers to it, or when a producer declares conformity with it.
2 Scope Preview
This standard specifies the digital conference phone control terminal of the technical requirements. This standard applies to digital conference phone control terminal design, production and testing, but also for scientific research and engineering design.
TB/T 3026.2-2002 is filed under Chinese Standard Classification M40, in the field of telecommunications and broadcasting.
This catalogue holds 1,254 other TB/T standards without an ICS number.
In this catalogue, TB/T standards carry edition years from 1973 to 2026.
3 About this standard
Sector: Railway & Train Industry Standard (Recommended)
Issued by: National Railway Administration
English translation: about 8 pages (approximate)
Chinese original: about 7,748 characters
4 Related standards
Other parts of this standard:
TB/T 3026.1-2002 — Digital conference phone the Tandem equipment technical requirements and test methods
TB/T 3026.3-2002 — Digital conference phone the President control panel technical requirements
TB/T 3026.4-2002 — The digital conference telephone handset distributor technical requirements and test methods
TB/T 3026.5-2002 — Digital conference phone extension technical requirements and test methods
TB/T 3026.6-2002 — Digital conference phone test conversion box technical requirements and test methods
Standards on related subjects:
YD/T 993-2016 — The technical requirements and test methods of overvoltage and overcurrent resistibility for wire telecommunication terminal equipment
YD/T 868-2007 — Technical requirements and measuring methods for additional equipment of telephone set
GB/T 15279-2002 — The specifications of automatic telephone set
5 Classification and status
Chinese Standard Classification (CCS): M 40
Prefix TB/T: recommended standard.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 8 pages — is available in the English PDF.
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Related Standards
TB/T 3026.3-2002 — Digital conference phone the President control panel technical requirements
TB/T 3026.1-2002 — Digital conference phone the Tandem equipment technical requirements and test methods
TB/T 3026.4-2002 — The digital conference telephone handset distributor technical requirements and test methods
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TB/T 3026.2-2002
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