... cables work ,the lights will be green from NO.1&2 to NO.7&8 sequently.If any light is not on or ... , RJ45, 10/100 Base-T and telephone cable … etc. 4. Automatic efficient scan for the miss wiring, disorder cable, open and ... whether open or not on both remote and master unit. 8.Automatically scan mode, rapidly testing, the streamline shape is in ...