Indoor telephone communication cable

Indoor (outdoor) telephone communication cables are suitable for wiring in telecommunication engineering, serving as links between floor wiring systems in communication systems. They can also be used for connections between communication outlets (information sockets) and telecommunication equipment (such as telephones, faxes, etc.). In areas with severe interference, shielded cables should be used.

Multi-pair local communication cables are produced in accordance with the standard twisted pitch of digital cables, which reduces the mutual crosstalk interference between pairs, thereby reducing the crosstalk attenuation of the cables and minimizing power loss. It is used for audio connection between the main distribution frame within the program-controlled switching office and the users of the switching office, and can support low-rate data transmission. Connections include digital telephones, faxes, program-controlled switches and other digital communication devices. 4 pairs are used for the connection of branch lines in telecommunication engineering cabling, and 10 pairs, 20 pairs, 30 pairs, 50 pairs, 100 pairs, etc. are used for the connection of main lines.

HYV - Polyolefin insulated polyvinyl chloride sheathed indoor telephone communication cable

Recommended specifications

Conductor diameter: 0.4mm, 0.5mm

Recommended logarithms: 1 pair, 2 pairs, 3 pairs, 4 pairs, 5 pairs, 10 pairs, 20 pairs, 30 pairs, 50 pairs, 100 pairs

Product color: White (for indoor use), black (for outdoor use

Cables should be protected from mechanical external forces, overheating, corrosion, radiation, wear and other hazards. The laying of cables requires a favorable external environment. If they are easily disturbed by adverse factors, it will increase the damage and destruction to them, and easily lead to line faults and accidents.

2. In the same project or cable channel, the principle of arranging from strong current to weak current in an up-down sequence should be followed, with communication cables placed at the bottom.

The long-term allowable operating temperature of the conductor is -40℃ to +50℃, and the monthly average maximum relative humidity is 95% (+25℃).

4. The allowable temperature for cable laying and installation shall not be lower than -10℃.

The minimum bending radius of the cable is 15 times the outer diameter of the cable.