A, USB cable is?
Popular point that the USB cable: that is connected to the computer used to send images and other types of files bell path tool. The main role is to connect mobile devices and computersthrough to achieve the data transfer process.
Two, USB cable production process of the six
The first step: using the wrong bevel cut the required length of twisted pair, at least 0.6 m, a maximum of 100 meters. Then use twisted pair twisted pair cable stripper will remove the skin2-3 cm. There are some twisted-pair cable with a soft nylon rope can burn or carefully with a lighter cut. If you strip the skin when the twisted pair, that bare part of the short, but not conducive to production of RJ-45 connector, you can grip twisted pair skin, and then pinch the skin below the nylon line peeled out, you can get a longer bare wire; shielded cable can be stripped.
Step two: USB cable after stripping the twisted-pair cable.
The third step: the next step is to dial line operation. The bare wire twisted pair of orange on thedial to its front, brown dial on the line to its own direction, the green strip to the left side of theline, the blue strip to the right side of the line. Connection order: on: Orange Left: Green follows:brown Right: Blue.
Step four: the green line and blue for the middle position on the line, while the orange and brownon the line remain intact on the line, the wiring of the order, from left: Orange left: blue from left:green, fourth from left: Brown .
Step Five: Carefully peel each pair of lines, white mixed line forward. Because we follow the EIA / TIA 568B standard to produce connectors, so there is a certain line on the color sequence.
Step six: the bare twisted-pair or diagonal pliers with scissors cut only about 14mm in length, the reason for leaving this length in order to comply with EIA / TIA standards, you can refer to theuse of RJ-45 connector and the introduction of standard twisted-pair production. Finally, the rootline of each twisted pair and then sequentially into the RJ-45 connector pins, the first pin should be placed within the white orange line, the rest and so on. |
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