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There is no need to analyse the signal or test for a signal because you know you have a signal in the other TVs (assuming the coax is connected to the same place) Alternatives. If you know the coax for all the TVs is the same cable you, you can leave Point B terminated - which is most likely closest to the antenna or after the junction.
The bandwidth, noise-to-signal and interference will greatly depend on the quality of the cable, workmanship during installations, etc. EG The RJ45 could be rated for Gigabit but your bandwidth could a mere 250mbs(1/4 bandwidth) because the shielding has not been done properly, or the ends have been poorly installed, the cable is near high ...
Black Screen - "Check Signal Cable" - posted in Hardware, Components and Peripherals: When I turned on the computer this morning the monitor (20'' Samsung LCD) displayed 'Check Signal Cable'. I checked the cable to make sure nothing was loose or anything, but it was intact. I tried to changed the VGA port between my graphics card and the motherboard but nothing would display. Does this mean ...
You'll either plug the tone generator into an RJ45 port, or open up the drop and clip the tone generator to a wire in the ethernet cable. The toner generates a signal that flows through the cable, effectively using the cable as a radio broadcast antenna. The probe then picks up on this signal (usually a beep or siren type tone) and replays it.
The vast majority of CableTV internet comes in on exactly the same cable as the TV does, though if the cable is in poor condition due to age or abuse they may choose to replace it anyway. They have specialized test devices the installer will use to check the signal levels at the cable and determine if it will work.
Finding out the "purpose" may be a bit of a stretch (other than the rather basic purpose of connecting network from point a to point b - how you use it may be different from the last occupant), but identifying the cables is a simple-if-tedious process of attaching something to one cable, and then plugging into all the other cables around the house until you find the end that connects, and ...
There isn't a way to send the entire coax signal wirelessly across the room, but there are devices to send a video signal across the room to the TV. Reading between the lines, that means that your cable box that actually hooks up to the coax will still need to hook up to the coax and have a home on that side of the room.
It's old but it's new again. A lot of people here in the US are putting in antennas to receive broadcast television, getting rid of cable TV and watching what's available online, supplemented by local broadcasts. A signal strength meter would be the right tool for the job, but it's an expensive tester for one time use.
A strong signal can be induced by winding a narrow gauge wire (18 or 20 gauge) half a dozen times around the spark plug cable of a four-stroke engine (lawnmower or other), attached the other end of the narrow gauge wire to one end of the (disconnected from power) cable that you want to find, started the lawn mower, then sweep the portable AM ...
I suspect one of the wires isn't hooked up correctly, but I'm having trouble tracing the wires. I've tried using the LAN Tracker GET-4220T, but I find the results to be very erratic (sometimes all the wires seem to be energized, moving the probe slightly can lose all signal). Even when I am able to get tone from the tracker at the jack, I still ...