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Telephone cable

Telephone cables are communication cables that are used to transmit voice and data signals over a wired telephone network. These cables consist of twisted pairs of copper wires that are insulated with plastic or other materials, and may be shielded to reduce electromagnetic interference.

In a typical telephone cable, each pair of wires is twisted together to reduce crosstalk and interference from adjacent pairs. The number of pairs in a cable can vary depending on the application, with some cables containing just a few pairs for residential use, while others may have hundreds of pairs for use in large commercial or industrial settings.

Telephone cables can be classified into several different types based on their construction and intended use. Some common types of telephone cables include:

Unshielded twisted pair (UTP) cable: This type of cable is commonly used in residential and small business applications. It consists of two or more twisted pairs of copper wires that are not shielded by any additional layer.

Shielded twisted pair (STP) cable: This type of cable is similar to UTP, but has an extra layer of shielding to reduce electromagnetic interference. It is often used in data networking environments where high-speed data transfer is required.

Coaxial cable: This type of cable consists of a single conductor surrounded by insulation, which is in turn surrounded by a second conductor and an outer sheath. Coaxial cable is often used for broadband internet access and cable TV services.

Fiber optic cable: This type of cable uses thin strands of glass or plastic fibers to transmit data signals using light pulses. Fiber optic cable is capable of transmitting data at very high speeds over long distances, making it ideal for use in telecommunications networks.

Characteristics

·Two parallel steel wire reinforcements to ensure sufficient tensile strength
·Central bundle tube structure, the tube is filled with special grease to protect the optical fiber
·Small size, light weight, easy to lay
·PE skin has good anti-ultraviolet radiation performance
·The material has high and low temperature stability characteristics, resistant to high and low temperature cycle temperature changes, use
·Longer life span and less aging

Feature:

STANDARD: UL 758
APPLICATION: These cables are used for indoor ond out door telephone communicate lines and contro systems.
STRUCTURE:Solid/stranded copper/tinsel conductor,color PE insulation and PVC sheathed
VOLTAGE:75/150V

Electrical characteristics 
· Electric resistance and Unbalance resistance
Wire electrical resistance (at 20ºC) ≤ 95 ohm/km (for 1 x 2 x 0,5mm)
Wire electrical resistance (at 20ºC) ≤ 37 ohm/km (for 1 x 2 x 0,8mm)
Unbalanced resistance between conductors from the same pair ≤ 2,0%
· Insulation resistance
Insulation resistance (at 20ºC) ≥ 10 000 Mohm.Km
· Mutual capacitance
Mutual capacitance (at 1 KHz) < 55 nF/Km

Detailed Product Description

·Communication Cable Conductor:Cu CCA CCS
·Can be burial derectly
·conductor size:0.4mm-0.5mm 

 

Conductor surface: Bare
Diameter of conductor: 0.5 mm
Conductor category: Class 1 = solid
Total number of cores: 200
Stranding element: Pairs
Core insulation: LS0H
Core identification: Colour + rings
Overall screening: None

Conductor surface: Bare
Diameter of conductor: 0.5 mm
Conductor category: Class 1 = solid
Total number of cores: 50
Stranding element: Pairs
Core insulation: LS0H
Core identification :Colour + rings

Conductor surface: Bare
Diameter of conductor: 0.5 mm
Conductor category: Class 1 = solid
Total number of cores: 20
Stranding element: Pairs
Core insulation: PVC

  1、What is the best telephone cable?

The best telephone cable depends on the specific application and networking requirements. There are several types of telephone cables available, each with its own advantages and disadvantages.

For residential or small business use, unshielded twisted pair (UTP) cable is often sufficient and widely used. UTP cable is cost-effective, easy to install, and capable of transmitting voice and data signals over short distances. It is also compatible with most phone systems and internet service providers.

Shielded twisted pair (STP) cable is another option that provides additional protection against electromagnetic interference, making it well-suited for use in data networking environments or areas with high levels of electrical noise. However, STP cable can be more expensive and difficult to install than UTP cable.

Coaxial cable is another type of telephone cable that is commonly used for broadband internet access and cable TV services. Coaxial cable is capable of transmitting data at high speeds over long distances, which makes it ideal for use in telecommunications networks. However, coaxial cable requires special connectors and installation techniques, and can be more expensive than UTP or STP cable.

Fiber optic cable is the fastest and most reliable type of telephone cable. It uses thin strands of glass or plastic fibers to transmit data signals using light pulses. Fiber optic cable is capable of transmitting data at very high speeds over long distances, making it ideal for telecommunications networks where speed and reliability are critical. However, fiber optic cable is typically more expensive than other types of telephone cable, and requires specialized equipment and expertise to install and maintain.

  2、Is a landline phone cord the same as Ethernet?

No, a landline phone cord and Ethernet cable are not the same. Although they may look similar, they serve different purposes and have different technical specifications.

A landline phone cord is a type of cable that is used to connect a telephone handset to a wall jack or base station. These cords typically have two or four copper wires and use standard RJ11 connectors. The maximum frequency that can be transmitted over a standard phone cord is around 3-4 kHz, which is suitable for voice communication but not for high-speed data transfer.

Ethernet cables, on the other hand, are used to connect computers, routers, switches, and other network devices to each other or to the internet. They typically have four or more twisted pairs of copper wires and use standard RJ45 connectors. Ethernet cables are capable of transmitting data at much higher frequencies than phone cords, with speeds ranging from 10 Mbps to 10 Gbps or higher depending on the cable type.

In addition to differences in their technical specifications, phone cords and Ethernet cables have different pinouts and wiring schemes, which means they cannot be used interchangeably. Attempting to connect an Ethernet device using a phone cord will likely result in poor performance or no connectivity at all.

  3、Can Cat 6 be used for telephone?

Yes, Cat 6 cable can be used for telephone applications. This type of cable is commonly used in data networking environments and is capable of transmitting data at high speeds over long distances. While it may be more than what is needed for a simple telephone connection, it can provide several benefits such as improved signal quality and less interference.

However, it’s important to note that using Cat 6 cable for telephone connections may not always be necessary or cost-effective. For basic voice communications, a standard telephone cable or Cat 5e cable would likely suffice. Additionally, Cat 6 cable is typically more expensive than other types of telephone cable, which may not justify its use in simpler installations.

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