What is the difference between a YJLV cable and a VLV cable?
. you want to achieve remote switch, right? In fact, from the host side of the original fixed switch button that cut the two lines, and then then you need to extend the extension cable you can, the super simple; . Internet cafes router, through the exchange (or hub) , Can achieve port expansion capabilities, you can access a lot of computers, but the Internet speed is limited by the router exit speed, that is the maximum speed will not exceed the router exit speed, and broadband providers will be on the server side of the uplink and downlink speed (That is, to provide customers with the speed) restrictions.
240MM copper cable can be, casing with DN150 load 473KW how current only 560A, a little do not understand, you are not wrong
The reason why the wire outside the casing, is to protect the wire insulation from external damage. And the wire laying in the cable tray. The bridge has been gas to the protection of the role, so no longer outside the casing
