[ntp:questions] SNTP server + ntpd 4.2.4 client

Ryan Malayter malayter at gmail.com
Wed Mar 19 13:05:42 UTC 2008


On Mar 18, 1:05 pm, Unruh <unruh-s... at physics.ubc.ca> wrote:

> Just looked it up. A bit bizarre-- power over the ethernet? The ethernet
> has no power supply capability. Do you mean that you have to supply the
> device with 60V running on one of the unused ethernet cable lines? Sounds
> noisy to me.

http://en.wikipedia.org/wiki/Power_over_Ethernet

It's very common in VoIP environments, and environments with wireless
access points. We use PoE to power both at our Chicago office; no
"wall warts" needed. PoE switches cost about 30% more per port than
non-PoE switches, depending on manufacturer.




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