GB/T 5441-2016Test methods for communication cable (English PDF)
通信电缆试验方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
April 25, 2016
Implementation date
November 1, 2016
Scope
GB/T 5441-2016 is the English-translated version of 通信电缆试验方法.
GB/T 5441-2016 is the Chinese standard "Test methods for communication cable". Its scope clause reads: This standard specifies the test methods for symmetrical communication cables and coaxial pairs of cables.
This standard applies to symmetrical communication cables and coaxial cable electrical parameters of the measurement. Other communication cable test, can refer to the use. Its clauses include normative reference documents; terms and definitions.
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Document preview — GB/T 5441-2016
National Standard of the People's Republic of China
- ICS
- 29.060.20
- Classification
- K 13
- Replacing
- GB 5441.1-1985
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 normative reference documents
- 3 terms and definitions
- 3.1 Working capacitors
1 Scope
This standard specifies the test methods for symmetrical communication cables and coaxial pairs of cables.
This standard applies to symmetrical communication cables and coaxial cable electrical parameters of the measurement. Other communication cable test, can refer to the use.
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.
GB/T 2900.10 Electrical terminology
GB/T 3048.4 Test methods for electrical performance of wire and cable - Part 4. Conducting DC resistance test
3 terms and definitions
GB/T 2900.10 as defined and the following terms and definitions apply to this document.
3.1 Working capacitors
Work on the total capacitance between the two transmission cores.
Symmetrical cable operating capacitance can be obtained by balancing the bridge directly (see Figure 1), the expression of which (1).
Cm = CAB (CAG × CBG)/(CAG CBG) (1)
Where.
Cm --- line to the working capacitance, the unit is satisfied (nF);
CAB - the capacitance between conductors a and b, in units of nanofarads (nF);
CAG --- conductor a and shielding and ground capacitance, the unit is satisfied (nF);
CBG --- conductor b and shielding and ground capacitance, the unit is satisfied (nF).
Figure 1 symmetrical cable working capacitance
Symmetrical cable operating capacitance can also be obtained by equation (2).
Cm = (C1 C2)
2 -
C3
4 - (C1-C2) 2
4C3 (2)
Where.
Cm --- line to the working capacitance, the unit is satisfied (nF);
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 41 pages — is available in the English PDF.
Similar standards
Editions of GB/T 5441
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 5441-2016 | Test methods for communication cable | current edition | Current |
| GB 5441.1-1985 | Test methods for communication cable | previous edition | Superseded |
This page sells the current edition, GB/T 5441-2016. Earlier editions are listed for reference only.
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Related Standards
GB/T 5441.1-1985 — Test methods for communication cable
GB/T 5441.2-1985 — Test methods for communication cable. Capacitance test. Bridge method
GB/T 5441.3-1985 — Test methods for communication cable. Capacitance unbalance test
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GB/T 5441-2016
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