What are the requirements for the spacing of the trough base?
The structured cabling system includes all the cables and various accessories arranged in the building, such as the switching device, the various types of client interface, and the interface with the external network, but it does not include the switching equipment From the user's point of view, structured cabling system is the use of a set of standard networking devices, in accordance with the standard connection method to achieve the network cabling system The biggest difference between structured cabling and conventional cabling systems is that the structure of the structured cabling system is independent of the location of the currently connected device In the traditional cabling system, where the equipment is installed, where the transmission medium is to be laid Structured cabling system is the first by the structure of the building, the building will be placed in all the equipment are pre-set the line, and then according to the actual connected equipment, by adjusting the internal jumper device, all the equipment connected stand up The interface of the same line can be connected to different communication devices, such as telephones, terminals or microcomputers, or even workstations or hosts
Public relations company is to deal with the company's public relations company, the media company is to use the media to spread for the media to achieve the role of advertising, in short, the former is doing line practice, such as doing activities, the latter is done online, for example,
YJV is a cross-linked polyethylene insulated cable KVV is a polyethylene insulated cable two poor "cross-linked", the former temperature is higher than the latter 20 degrees, the current carrying capacity is also high so YJV as a power cable, KVV as a control cable
