The HD CCTV pass-thru balun with cable leads allows one HD CCTV (HD-SDI) video channel plus remote power and PTZ control to be transmitted between the HD CCTV camera and the DVR via Cat5e/6 cable in the HD CCTV environment. The 500720-CL is used in conjunction with either another 500720-CL or with the 500700 or 500721.