How to choose computer cable?

I. Computer cable how to choose?1) Material selection ① polyvinyl chloride insulation or sheath material for low-traffic occasions or non-public places. ② polyolefin materials or halogen-free low-smoke flame-retardant materials for high-traffic public places. ③ special communication cable for analog signals, input and output signals, sensors, encoders, field buses and other occasions, at the same time should be based on the user's actual application environment, docking Technology Research Institute recommended the appropriate cable. 2) shielding material selection ① copper wire braid shielding for low-frequency electromagnetic interference north, mobile occasions. ② tinned copper wire braided shielding for low-frequency electromagnetic interference, mobile and corrosive occasions. ③ Aluminum-plastic composite tape wrapped shielding for radio frequency interference, fixed use and humid occasions. ④ copper-plastic composite tape winding shielding for radio frequency interference, flexibility requirements and relatively weak interference occasions. ⑤ Copper tape wrapped shielding for RF interference, fixed use and relatively strong interference occasions. (6) Aluminum-plastic composite tape + copper wire braided shielding for high and low-frequency mixed interference occasions. 3) Armor material selection of armor is divided into steel belt armor and steel wire armor two kinds. Cable laying in both positive pressure and tensile role of the occasion, you can choose steel wire armor structure. Cable laying in the underground, the work may be subjected to a certain positive pressure, can choose steel armor structure.

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