Performance characteristics of cavo ethernet cat7
Category 7 Ethernet cable perform excellently under ISO/IEC 11801 Class 7/F standards, providing up to 500MHz attenuation crosstalk ratio and 600MHz bandwidth. It adopts shielded twisted pair technology, with each pair of wires equipped with a shielding layer. The four pair combination also has a common large shielding layer, ensuring its excellent transmission performance. The physical structure of Class 7 ethernet cable makes their diameter larger, thereby enhancing their transmission capacity.
Compared with CAT5e and CAT6a ethernet cables, CAT7 ethernet cables not only have significant improvements in transmission performance, but also have more stringent requirements for connecting hardware. The parameter requirements for Class 7 systems stipulate that the connector must provide at least 60DB of comprehensive near end winding for all wire pairs at a frequency of 600MHz. This standard far exceeds the 43DB required for Class 5e systems at 100MHz and the 46DB achievable for Class 6 wires at 250MHz.
As an 8-core shielded wire, the unique shielding structure of cat7 ethernet cables also provides excellent transmission performance. Each pair of wires is equipped with a shielding layer, usually metal foil shielding, and there is also a common large shielding layer outside the 8 core wires, usually metal braided wire mesh shielding. This dual shielding design, coupled with the larger wire diameter of cat7 ethernet cables, further enhances its transmission capability.
Application scenarios and selection points of CAT7 Ethernet cable
Category 7 Ethernet cables are typically used in scenarios that require high-speed transmission and high bandwidth, such as video conferencing, streaming media broadcasting, network voice calls, as well as grid computing and storage networks. In addition, it is also suitable for 10/100/1000/10GBASE-TX Ethernet data transmission and is widely used in indoor high standard horizontal cabling. Especially its powerful shielding function makes Category 7 Ethernet cables an ideal choice for shielded computer rooms and secure network cabling.
When selecting CAT7, we should focus on the following five key factors:
1. Core material and diameter
The core diameter of Class 7 network cables is about 0.57mm, made of high-purity oxygen free copper to ensure extremely low resistance, thereby achieving longer distance and more stable transmission.
2. Core insulation material of CAT7 Ethernet cable
The core insulation material of CAT7 Ethernet cable is made of FMPE, which has an extremely low dielectric constant and significantly reduces high-frequency losses. The characteristic impedance is more stable at 100 Ω, the capacitance is lower, the anti-interference is stronger, and the high and low temperature performance is stable.
3. Double shielding design
The Class 7 network cable adopts a dual shielding design, which means that the four pairs of wire cores are tightly wrapped in metal aluminum foil, and the outer layer is also covered with metal braided mesh. This design significantly enhances the anti-interference capability of the network cable while ensuring the security of data transmission, greatly improving the level of network security. In order to achieve the best shielding effect, it is necessary to ensure that all components in the entire wiring system have shielding function.
4. Safety grounding wire
The ground wire plays a crucial role in the network cable system, as it can effectively prevent safety risks such as leakage and electric shock. During the installation process, it is essential to ensure the selection of seven types of crystal heads and to ensure that the ground wire is in close contact with the metal outer wall of the crystal head, in order to achieve the shielding effect.
5. Environmentally friendly outer sheath
The Class 7 network cable adopts halogen-free outer coating, which is an environmentally friendly rubber material that does not contain halogens or harmful environmental substances such as lead, cadmium, chromium, mercury, etc. When burning, it does not release toxic smoke, which is particularly important under the heat generated during data transmission, as heat is inevitable, and harmful substances in non environmentally friendly network cables may be released along with the heat, posing potential harm to the body.