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Ethernet NID plus POE+ (802.3at)... or POE+ injector with OAM...



On Wed, 14 Nov 2012 14:57:06 -0500, "Robert E. Seastrom" <rs at seastrom.com>
wrote:
> Hi everyone,
> 
> I'm looking for a gigabit ethernet media converter to go from SFP
> plugable optics to 802.3at POE+.  The application involves wireless
> access points some distance from a central switch for a venue.
> 
> Difficulty: in my old age, I've become allergic to installing
> completely unmanaged bump-in-the-wire devices that can't be monitored
> in some way.  They make for a big nuisance when it comes time to debug
> the installation.
> 
> The metro ethernet folks have brought us 802.1ag, 802.3ah, and Y.1731.
> Even the simplest of these - .1ag L2 ping (LBM/LBR) - is sufficient
> for my purposes of making sure that we're bidirectionally passing
> traffic.
> 
> I'm aware of pluggable optics that do OAM (OEsolution Smart SFP) as
> well as some piggyback devices from other sources.
> 
> I'd like to find a single box though that will do my media conversion,
> POE+ injection, and response to OAM packets all in one convenient tiny
> enclosure.  Bonus points for well-thought-out details such as DIN rail
> mounting capability and cable retention tricks.
> 
> Anyone got any pointers?
> 
> -f

You'll probably have better luck looking for a switch.

http://www.transition.com/TransitionNetworks/Products2/Family.aspx?Name=SISPM1040-384-LRT

-scott