This part of GB/T 17737 specifies the requirements for trunk and distribution cables used in cable television distribution networks, which operate at temperatures between 40 ℃ and 65 ℃, with a frequency range of 5 MHz to 1000 MHz. This section applies to coaxial communication cables. This part should be used in conjunction with GB/T 17737.1. The following normative references are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document. GB/T 2421.1-2008 Environmental Testing, Overview and Guidelines for Electrical and Electronic Products (IEC 60068-11988, IDT) GB/T 17737.1-2013 Coaxial Communication Cables - Part 1: General Specification, General Provisions, Definitions and Requirements (IEC 61196-12005, IDT) IEC 60811-4-1 General Test Methods for Insulation and Sheath Materials of Electric and Optical Cables - Part 41; Special test methods for polyethylene and polypropylene mixtures: Environmental stress cracking resistance test, melt index measurement method, direct combustion method for measuring carbon black and/or mineral filler content in polyethylene, thermogravimetric analysis (TGA) for measuring carbon black content, and microscopic evaluation of carbon black dispersion in polyethylene (Insulating and shearing materials of electric and optical cables - Common test methods - Part 4-1: Methods specific to polyethylene and polypropylene compounds - Resistance to environmental stress cracking - Measurement of the melt flow index - Carbon black and/or mineral filler content measurement in polyethylene by direct combustion - Measurement of carbon black content by either mogravimctric Analysis (TGA) - Assessment of carbon black dispersion in polyethylene using a microscope IEC 61196-1-1 Coaxial communication cables Part 1-1: Capability approval for coaxial cables IEC 61196-1-1 ×× (all parts) coaxial communication cable, 1st to 1st ×× Part: Electrical Test Methods (Coaxial communication cables Part 1-1) ××: Electrical test methods IEC 61196-1-101 Coaxial communication cables: Part 1-101: Electrical test methods: Coaxial communication cables - Part 1-101: Electrical test methods for conductor d.c. resistance of cables IEC 61196-1-102 Coaxial communication cables: Part 1-102; Electrical test methods - Coaxial communication cables Part 1-102: Electrical test methods Test for insulation resistance of cable dielectrics IEC 61196-1-105 Coaxial communication cables Part 1-105; Electrical test methods: Coaxial communication cables Part 1-105, Electrical test methods Test for standing voltage of cables IEC 61196-1-108 Coaxial communication cables Part 1-108: Electrical test methods: Characteristic impedance, phase, and group delay, Coaxial communication cables Part 1-108: Electrical test methods Test for char active impedance, phase and group delay, electrical length and propagation velocity
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