Knowledge

At present, in the high-definition device, the main interface has DVI, HDMI, VGA interface, wherein the video analog video signal transmitted by VGA, DVI belongs to the digital interface, and HDMI can

At present, the liquid crystal display interface mainly has two types: D-Sub (also called VGA) and DVI. The D-Sub interface mainly appears on the low-end products, and needs to undergo two-to-analog c

DisplayPort is an external interface that is connected between the host and the monitor via a cable. The eDisplayPort is often used for internal interfaces between laptops or all-in-ones. eDisplayPort

HDMI Cable transmits the HDMI signal, a non-compressed, purely digital signal that transmits a fresh, purely digital signal to the TV through nineteen anti-oxidation copper wires. In each transmission

The HDMI cable is an abbreviation for high-definition multimedia interface cable with a maximum data transfer speed of 5Gbps, capable of transmitting uncompressed HD video and multi-channel

In the network integrated wiring, it is indispensable to use two kinds of network signal transmission media: twisted pair networking wire and optical fiber.

Introduction of UTP networking cable, FTP networking cable, SFTP networking cable

RJ45 is a type of information socket (ie, communication terminal) connector in the wiring system. It is commonly used in DTE (data terminal equipment) type of Ethernet network card, router Ethernet in

The cross skeleton at the center of twisted pairs Cat6 network cable rotates with the change of the length, and the four pairs of cores are stuck in the grooves of the skeleton to maintain the positio

Shielded Cat6 network cables refer to the network cables that resist the strong interference environment, ensuring that the network signals are not affected by interference and are normally transmitte

According to different electrical properties, twisted pairs can be divided into Cat3, Cat5, Cat5e, Cat6 and Cat7 twisted pairs. The price of difference between different types twisted pairs is large o