Power-over-Ethernet: IEEE 802.3af Draft

SkewlD00d writes "Want power (~10W) and your fat 10/100Mbps pipe (1Gbps maybe) on the SAME jack. Surf the web and recharge your handheld w/o finding its clunky base/transformer, home automation, and control systems are just some of the possibilities. Using suitable hubs/switches or dongle, power can be provided over unused pairs, or possibly raise the signal offset above DC, X10-style (no link, u know why). See IEEE 802.3af DTE Power via MDI Task Force. Maxim (not that one :o) already has some goodies. They have schematics for 8.25W/12.5W single-output and 14.2W triple-output 802.3af PSU. Try FindChips if you're looking for them; they're in production and are NOT vapor-ware!"

Comments

Which department?

[cruppel]

"like ma" or "Look ma!"?

Re:Which department?

[GQuon]

"like ma" or "Look ma!"?

Like ma. No wires, just like ma.
Hemos is saying

• "I'm a 2nd generation natural born human. No socket in the back of MY head. Seen the One lately?"
• "I've got no strings to hold me down. I'm a descendant of Pinoccio."
• "Ma didn't need no stinking wires. She yelled at us so loud and rubbed us against the walls so hard, the light in the bulb lasted untill the next evening."

Which is it Hemos?

OK I'm not smart

[makapuf]

Anybody could enlighten me for some witty comments on the subject ?

- why no links on X10 ?
- which maxim is obvious ?

I googled for the later, it seems to be a male-only newspaper .. ?

That said, it seems to be a good candidate to plug my fridge-on-internet like applicances.

Re:OK I'm not smart

[Anonymous Coward]

X10 uses all sorts of intrusive advertising. Most people loathe X10 for these underhanded techniques.

1 Problem...

[jdh-22]

We already see this in the cable internet industry. There is NO competition. This would probly be the same. Power companies own the power lines for that city/district and would monopolize, leading to higher prices. Yeah! Cable internet v.2.0.4!

not again

[sparkes]

every once in a while, slashdot catches up with the rest of the world ;-) I used to read about this in wired before wired got tired and we all know how long that has been.

http://www.wired.com/wired/archive/3.05/future.i f. html?pg=2&topic=

ip over mains has been talked about for years. google alone gives over 1.5 million pages for this topic.

not off topic, not a troll, just wondering why slashdot is decending into the mire.

sparkes

Cactus

[Anonymous Coward]

We are The Käuze. "If God made women to be lesbians, He would have given them wings."

Sweet!

[mschoolbus]

If they just made it a little thinner and lighter, we could have wire Remote Control Airplanes! Or even Boats!

Interesting

[EpsCylonB]

We have always had trouble using power lines for sending and receiving data not beacuse it is impossible but because our current power lines were never designed to carry data.

Imagine a merging of the current ethernet and power line standards, you could potentially solve the last mile problem and and at the same time open up new backbones.

But what if you already use...

[The Jonas]

..."Ethernet/Internet over Power Lines" like was mentioned in this previous /. story ???

Afraid of punctuation?

[bythescruff]

Commas, periods, and semicolons, oh my!
Commas, periods, and semicolons, oh my!
Commas, periods, and semicolons, oh my!