[asterisk-users] Slightly OT: SNOM & PoE

[Andrew Latham]

Correct, and they will if the wire attenuation varies a lot.  A phone
250ft away will need more power than one 20ft away...



On 8/3/07, Mark J Elkins <mje at posix.co.za> wrote:
> Anthony Cennami wrote:
> > Hello All,
> >
> > I apologize for the slightly off-topic question, but I'm sure that the
> > people best acquainted with the issue would be hanging around here.
> >
> > Question is, what are people using today to deploy PoE, and more
> > importantly, PoE to SNOM phones?
> We are running SNOM360's off a Planet POE Switch (FGSW-2620PVS)
>
> This gives us 24 x 10/100 with PoE on all (but the GigE) ports (Power
> over the data lines - not on unused copper pairs) and 2 GigE ports
> (Copper + SPF). We then plug the Asterisk machine into one of the GigE's
> and the other GigE into the rest of the network.
> This works well with a centralised wiring closet - now all the phones
> are on their own switch - making interference more un-lightly.  The
> Switch allows you to look at the power consumption - which technically
> means you can judge when there could be a "power problem". Oh - pretty
> well priced too.. we paid about US $680 for the switch - which makes it
> 'low end' cost wise. Currently has no SNMP   :-(   - but has a Linux
> friendly web front-end including setup of QoS, Access control and PoE
> power consumption.
>
>
>       POE Ports Status
>
> Port    Enable  Power[mW]       Current [mA]
>         Port    Enable  Power[mW]       Current [mA]
> 1       Enable  9       46
>         2       Disable         0       0
> 3       Disable         0       0
>         4       Disable         0       0
> 5       Disable         0       0
>         6       Disable         0       0
> 7       Disable         0       0
>         8       Disable         0       0
> 9       Disable         0       0
>         10      Disable         0       0
> 11      Disable         0       0
>         12      Disable         0       0
> 13      Enable  426     8
>         14      Disable         0       0
> 15      Enable  2333    46
>         16      Disable         0       0
> 17      Disable         0       0
>         18      Disable         0       0
> 19      Enable  2206    45
>         20      Enable  499     48
> 21      Disable         0       0
>         22      Disable         0       0
> 23      Disable         0       0
>         24      Disable         0       0
>
>
> OK - so not many ports are active - but its interesting to see that each
> port seems to be consuming different levels of power...
>
> --
>   .  .     ___. .__      Posix Systems - Sth Africa
>  /| /|       / /__       mje at posix.co.za  -  Mark J Elkins, SCO ACE, Cisco CCIE
> / |/ |ARK \_/ /__ LKINS  Tel: +27 12 807 0590  Cell: +27 82 601 0496
>
>
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-- 
/*
 Andrew Latham
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