NF-801-type check line is used to track all metal cable without a strong power in the state, and can connect any switches, routers, PC terminal directly to the line; used to determine the line status, to identify the line fault; network installation and maintenance of practical tools Product Description 1 the tracking cable lines, the lines do not need to peel the skin, simple, fast, and can determine the location of the line breakpoint; 2 can be directly connected to any type of Ethernet switches, routers boot state find line; 3 can be used to find any metal cable lines; 4. supports the switch is turned on, the line sequence proofreading; 5 can be completely replaced by Network Tester; 6. transmitter low-voltage prompts, the receiver lights function. hunt some tips: 1. Used directly support telephone switches and network switches turned on, do not take down the network and telephone cable from the switch. (Note To determine the size of the sound, the sound is the purpose of cable you're looking for, if you feel sure inaccurate, do you think is the correct cable from the switch or patch panel to take down directly plugged into the line finder receiving the line continued interface, the indicator light will shine 1 and 4, so that we can more accurately confirm you want to find the purpose of cable; switch in addition to pay attention to strong electrical interference as far as possible away from the switch farther, so that the sound effects will be more clear.)