Testers for closed circuit television (CCTV) cameras; PTZ (pan, tilt, zoom) analyzer, video generator and programmer for CCTV cameras; testers for digital CCTV cameras that can program the cameras and provide PTZ control via a web interface; testers for digital CCTV cameras that can pass PoE (power over Ethernet) from a network, through the tester, to the camera or can provide PoE to the camera from the tester's internal battery; testers for digital CCTV cameras that can analyze the video str...