Thanks very much for the tips and guidance 

/Shivaram
::Sent from my mobile device::

> On Aug 4, 2017, at 8:58 PM, Karl Fife <[email protected]> wrote:
> 
> 5 Amps is 60 Watts at 12v.  The SG2220's idle power consumption is a mere 6W, 
> which is just half-an-amp.    3.333A, is very easily able to keep up.
> 
> The 5A on the HW spec at Netgate is likely referring to the arbitrary maximum 
> amperage that the *included* PSU is capable of.   That does not specify the 
> amount the board will draw.  A power supply must only meet or exceed Amperage 
> draw of the powered device.  Commonly PS's are often over-specified based on 
> convenience/cost and availability.
> 
> If you use your Leviton PS, and for some reason it's unable to keep up with 
> the SG's peak amperage, it is not going to hurt the SG.  The worst case 
> scenario is that the voltage at the PS's will sag/decrease, and the router 
> will be unstable.  The same thing sometimes happens as power supplies begin 
> to go bad and no longer are able to produce the requested amperage.
> 
> I suspect that the max draw on that board is WELL under 3 amps. I'd be very 
> surprised if it draws 1A under load.
> 
> You can almost certainly use it without a second thought.
> 
> -Karl
> 
> 
>> On 8/3/2017 1:30 AM, Moshe Katz wrote:
>> The page you linked to says that the SG-2220 needs 5A, but you say the
>> Leviton power supply is 4A. That's probably a bad idea. In fact, according
>> to the spec sheet though, the Leviton power supply is actually only
>> 3.33333A. That's almost definitely a bad idea.
>> 
>> --
>> Moshe Katz
>> -- [email protected]
>> -- +1(301)867-3732
>> 
>> On Thu, Aug 3, 2017 at 2:23 AM, Shivaram Mysore <shivaram.mysore@g
> 
> 
>> 
>>> Hello,
>>> I have a Leviton Power supply (12v, ~4 Amps) [1] and trying to use it with
>>> SG-2220 running pfSense.  Will the ampere rating be enough.  I could not
>>> get a good read on the same based on the spec sheets for SG-2220.  But,
>>> wanted to confirm.
>>> 
>>> [1] http://www.leviton.com/en/products/47605-psc
>>> [2] https://www.netgate.com/products/sg-2220.html
>>> 
>>> Thanks & Regards
>>> 
>>> /Shivaram
>>> _______________________________________________
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