Plug & Play, Rate and Distance: Up to 1.25Gb/s Data Links, Support Hot-Pluggable;1310nm, Single-mode, Dual Fiber,20KM. Power supply: Single +3.3V Power Supply; Maximum Power <1W.
It use M-S and M-R methods to check errors such as open circuit, short circuit, crossover, matching connection and BNC cables. It can test whether the connection between the network line and the router is good and can be tested in real time.