广州线材

Precision pressure contact mold high hardness， durable， does not damage the network terminal can make RJ45 network cable connector， RJ11 phone line connector. Integrated network pliers all function， easy for cutting， creasing， stripping and other operations.

Precautions: Do not use copper-coated iron / copper-clad steel and other low-quality network cable， blade wearing! !

Standard twisted-pair connection

Twisted pair generally used for star network cabling， each twisted pair is installed through both ends of the RJ-45 connector (commonly known as crystal head) to connect to various network devices. Standard twisted-pair connection is not just a prescribed purpose is to ensure that the cable connector layout symmetry， so you can make the interference in the joint between the cable cancel each other out.

UTP cable is the most common network cabling cable， shielded and unshielded divided. If outdoor use， shielded cable is better， in general non-shielded indoor five-line enough， and because， without a shield， these cables will be relatively soft， but the connection method is the same. Super five lines in general have four pairs of twisted thread together， and marked with different colors.

There are two types of twisted pair connection: EIA / TIA 568B standard and EIA / TIA 568A standard.
The tail crystal head down (ie， flat side up)， from left to right， are designated as 12345678， the following is the distribution of the opening line:


T568A line order

 

12345678
Green white green orange white blue orange white brown brown white

T568B wire order
12345678
Orange and white orange green white blue white green brown white brown