The most cost effective AC to 48VDC power supply for a temporary solution is probably something you can use again in the future, or that you use elsewhere in your network so it can serve as a spare.

Mean Well makes some compact 100 watt DIN rail mount supplies that a lot of WISPs use, it lets them dedicate a power supply for each licensed radio at AC sites.

I tend to use HRP-300-48 at sites where I need to run several 48V devices, so I usually have some of those around. They are very reliable and not hideously expensive.

Not sure how many watts that switch needs.


-----Original Message----- From: Joe Falaschi
Sent: Friday, November 13, 2015 10:19 AM
To: [email protected]
Subject: Re: [AFMUG] DC Power for Cisco Switch

We just deployed one of these. We plan to convert the whole site to DC but we're not there yet. To get things rolling we just used a 48v power supply we had laying around. I'm not 100% sure if it was an old Dragonwave ps or not. Bayan would have more details.

Joe


On Nov 12, 2015, at 12:47 PM, Keefe John wrote:

What's the most cost effective way to power a single DC Cisco Switch like this?

http://www.ebay.com/itm/CISCO-ME3400G-12CS-D-Ethernet-Access-Switch-12-ports-/361407262406?hash=item54258d2ec6:g:08kAAOSwLqFV7xS0

Thanks!

Keefe


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