Powerline networking specialist Devolo will next month demo an Ethernet-over-the-mains prototype capable of delivering up to 400Mb/s bandwidth. Devolo's keeping mum about the details until it shows the kit off at the CeBIT show in Hannover. We suspect the unit essentially comprises two separate 200Mb/s HomePlug AV that sit …
Well my current Powerline 200Mb drops to about 20Mb depending where I plug it in so I'm not counting my chickens.
I'm not sure if they work better on UK style circuitry.
Well my current Powerline 200Mb gets 110Mb on the download and 90Mb on the upload with one of them plugged into a 4 gang extension, but both are connected within the same ring main.
Not tested the speed on seperate ring mains but there didn't appear to be any significant differences.
Wires and Tricks
I take it you guys have never looked inside a consumer unit.
I dont recommend that you do, but basically you have wires from the electricity company come into your house on one side of your consumer unit and then on the other side you have your circuits for lighting, sockets etc.. but they are all using a common rail on the neutral wire.(Black wire/Blue wire) So I assume these powerline units use the neutral wire to send the data around and therefore it doesnt matter where you plug them in.
Maybe you should have your wiring checked if you are finding it doesnt work on one particular circuit as it could be a wiring fault?
The live are all the same circuit too, and earth. The fuse or trips only interrupt large currents, while on, all the circuits are connected.
Also there are 3 phases, so the house 2 doors away is on the same live and neutral connection.
It's primarily distance that limits the signal. It's a version of the kind of signal DSL uses, and almost certainly uses both wires (live & neutral) to reduce radiation or interference. Using only one wire would be like an aerial. Not good.
Well I had the electricity supply checked and various parts replaced three or so years ago so I know everything is fine.
Where I live the fuses aren't in each plug but there are more fuses centrally, so in my house there is a central fuse box with loads of fuses plus two other small fuse boxes with maybe ten or so fuses in each.
If I use the Powerline on something controlled by the same fuse the speed is very good, but if I use something from another fuse the sped drops. The worst speed comes when I connect to something which is controlled by another fuse box.
You also need to keep in mind that European plugs haven't got a "right way round", so wiring is slightly different.
I'm considering the use of a power line Ethernet link in my house. I live in an apartment block in Germany and I know the apartment has a three-phase supply (because the electric oven uses three phases. I suspect that the two floors of my apartment are fed from different phases.
I assume that power line adaptors will not work across phases, so ---
Is there a way of cross-coupling phases (with a capacitor for example)? (What carrier frequency do these units employ?)
Is there an easy way of checking that the two floors share a phase? The power-entry consumer unit has a three-phase CB for the oven and several others (single phase) for lighting and power etc. A separate Consumer Unit upstairs has a few single-phase breakers only. Tripping the three-phase breakers does not interrupt the rest of the loads - i.e. it's for the oven only.
My server, router and a couple of clients are on the upper floor and I want Ethernet also on the lower floor. A cable connection is impractical. I need only a T100 connection.
All comments or suggestion will be appreciated.
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