1, look at the outer skin of the cable, the outer skin of the cable will be printed with CAT5, CAT5 E, CAT6, CAT7 and CAT8, etc., corresponding to the type of cable is Category 5 cable, Super Category 5 cable, Category 6 cable, Category 7 cable and Category 8 cable. Among them, Category 5 is a 100-megabit cable, Ultra Category 5 and Category 6 are gigabit cables, Category 7 is a 10,000-megabit cable, and Category 8 is a 100,000-megabit cable.
2, the use of equipment to identify, not standardized network cable or has been aged and worn network cable, from the outer skin can not be seen above the information, this time you can through the network equipment signal light to judge. Now a lot of network equipment for different network speeds have different indicator lights.
Each network port has a left and right two green lights, the left side of the light indicates 100M rate, the right side of the light indicates the rate of 10M, the two are lit indicates that the connection is a 1000M device. Of course, the switch, the cable, and the device connected to the switch all support 1000M, the 1000M will only be lit.
3, with the help of the computer card information to determine, you can look through the computer card information, if the card is to support 1000M, the switch or router is also to support 1000M, with the cable connected to the computer and router, the computer's card information will also show gigabit.
4, measuring wire diameter method, this method is relatively professional compared to the above, need to have a vernier caliper to complete the measurement. Category V wire diameter 0.30mm-0.45mm, Super Category V wire diameter 0.48mm-0.51mm, Category VI wire diameter 0.55mm-0.58mm (the center of the cross skeleton), Category VII wire diameter 0.59mm-0.6mm.
This method is more professional than the above, you need to have a vernier caliper to complete the measurement. /p> Expanded Information Characteristics of 100 Gigabit Ethernet cable The actual 100 Gigabit Ethernet cable works with only four cores of copper wires, that is, the four cores of 1, 3, 2 and 6. Among them, 1, 2 cores are responsible for sending data, 3, 6 cores are responsible for receiving data, while the gigabit cable must be eight cores at the same time to achieve gigabit transmission. Because of this characteristic of the 100-gigabit cable, many emergency situations will be a cable divided into two to use. To realize only one cable to connect two computers on the cable one end of the two groups of lines can be adjusted according to the national standard practice is the two ends of the cable line sequence one end is 568A the other end is 568B. that is, so that one end of the receiving end of the group of lines to become the other end of the transmitting group of lines.