Shenzhen E-tech Electronic Technology Co., Ltd.
Contact: Mr. Tan
Address:Tongle Village, Longgang District, Shenzhen
First, test the network cable crystal head is bad need to use the cable tester for testing, the two ends of the cable access cable tester two, eight lights were lit description can be used normally;
Second, if there is no cable tester can then carefully watched two crystal head is off-line or in contact with the top of taste, can be seen to be careful;
Third, the cable access router and computer, respectively, review whether the two lights are bright but sometimes have two may not be good.
Crystal Head-Fi is an important interface device, can be inserted into a fixed direction and automatically to prevent the shedding of plastic connectors for network communications, because it looks like a crystal-derived shining brilliantly named "Crystal Head." Mainly used to connect LAN ports, hubs, switches, and telephone.