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Communication cable

1. Overview

Communication cable is copper core polyethylene insulated in the city, produced according to YD / T322-2013 standards.

Mainly used for signal transmission between equipment, as well as rail transit, cableway and other projects,.

The series of communication cables include filled and metal armoured cable, structure with anti-aging, waterproof, anti-external stress and other characteristics, with a small attenuation, stable impedance, high shielding effect of electrical properties.

2.Product standards of communication cable

YD / T322-2013

Q / XBTX007

3.The use features of communication cable

a) Long-term working temperature of communication cable: 70 ℃;

b) The rated voltage of communication cable: AC 300 / 500V;

c) Cable bending radius of armored type:  6D , Non-armored type:  4D.

HYA 0.4mm 10 pairs communication cable

HYA-type local telephone cable can be used for urban, suburban and factories and mines in the communication cable lines. Mainly used for pipe laying, overhead installation need to use hanging wire support HYAC. Buried in the outdoor use of the need to oil-filled waterproof moisture HYAT, buried directly use the need steel belt armor HYAT22.

Structure - communication cable

1. Wire of communication cable: Solid annealed copper wire. Copper wire diameter: 0.4, 0.5, 0.6, 0.7, 0.8, 0.9mm.

2. Insulationof communication cable: High-density polyethylene, and in accordance with the standards of the whole chromatogram indicate the color of the insulated wire

3. Insulated wire pairs: Twist pairs of individual insulated wires at different pitches to minimize crosstalk and use the specified chromatographic combination to identify pairs.

4. Cable core structure of communication cable: 25 pairs of basic units, 25 pairs of basic units can also be 12 pairs and 13 pairs of 2 subunits, 50 units of super units by two 12 pairs and two 13 pairs of two sub-units 100 superelements consist of four 25 basic units. Each unit is supplied with 100% of the cable ties plus 1% of the spare wire pairs, but not more than 10 pairs, for the tapes of the specified chromatography.

5 core package tape of communication cable: with polyester film with vertical cable core.

6. Shielding of communication cable: Plastic coated on one side of an aluminum strip (aluminum strip thickness 0.15mm), the aluminum strip is wrapped in the longitudinal direction on the core, the strip should overlap.

7. Jacket of communication cable: black low-density or medium-density polyethylene.