crossover twisted pair cable

The wireless AP uses POE switch power supply, fault performance is unable to access the Internet via the AP, the corresponding Ethernet port on the POE switch after the restart of the yellow light flashes a few seconds after the flashing, the green lights are not lit; At first thought is the AP fault, after the fault has not been ruled out, the network cable unplugged after plugging in a common switch, the other end connected to the notebook computer

Cat5e and cat6 twisted pair wires have entered the stage of diversified products and diversified classification. When installing the cabling system, people may have to choose products of Category 5, Category 5, Category 5, or Category 6. For the verification test of the cabling system, the standards for on-site testing lags behind products on the market. as we all know, the testing standard is required for

There are two connection standards for RJ45 twisted pair wires: Standard 568B: White orange -- 1, orange -- 2, white green -- 3, blue -- 4, white blue -- 5, green -- 6, white brown -- 7, brown -- 8 Standard 568A: white green -- 1, green -- 2, white orange -- 3, blue -- 4, white blue -- 5, orange -- 6, white brown -- 7, brown -- 8 Currently, the 568B standard is used in the network. 10 M Ethernet cab