The utility model discloses a communication blind area cable phasing appearance, including first inspection unit and second inspection unit, first inspection unit is used for and waits to examine cable junction, second inspection unit is used for and waits to examine the cable other end to be connected. First inspection unit includes first power, first inspection alarm device, first binding clip and first wiring pen, first power is connected with first inspection alarm device one end, the first power other end is connected with first binding clip, the first inspection alarm device other end is connected with first wiring pen. The utility model provides a cable testing arrangement is connected with each heart yearn of cable through the binding clip that uses first inspection unit and second inspection unit to establish ties the heart yearn of cable, form test line, thereby whether the heart yearn in this cable of detectable play is the joint of same root cable, cable testing arrangement simple structure, it is with low costs.