From: LJ (lj@2u2.nu)
Date: Fri Jul 18 2008 - 08:30:51 ART
great info Hobbs!
On Thu, 17 Jul 2008 20:09:09 -0600
Hobbs <deadheadblues@gmail.com> wrote:
: I just wanted to follow up for anyone interested. After running the devices
: through the kill-a-watt I got these ratings:
:
: 3560 = 0.2 amp
: 3550 = 0.48 amp
: 2500 = 0.28 amp
: 3640 = 0.37 amp
:
: Each device took about an extra .5 to 1 amp upon startup.
:
: My lab is about 5 amps, so you guys were right on! I feel much better about
: turning this thing on. My frame switch (2511) was bad, so me seller is
: sending me a replacement. I have been building this thing for two months...I
: guess another week of waiting won't hurt :)
:
: On Fri, Jul 11, 2008 at 8:44 AM, Tony Schaffran (GS) <
: groupstudy@cconlinelabs.com> wrote:
:
:> A full rack of 11 routers and 4 switches run less than 5 amps in our
:> environment.
:>
:> A single 15 amp outlet with a couple of power strips will suffice for your
:> needs as long as your are not drawing considerable power from another
:> source
:> on that particular circuit.
:>
:>
:> Tony Schaffran
:> Network Analyst
:> CCIE #11071
:> CCNP, CCNA, CCDA,
:> NNCDS, NNCSS, CNE, MCSE
:>
:> www.cconlinelabs.com
:> Your #1 choice for online Cisco rack rentals.
:>
:>
:> -----Original Message-----
:> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
:> Hobbs
:> Sent: Thursday, July 10, 2008 7:36 PM
:> To: ccielab@groupstudy.com
:> Subject: Power Considerations for a Home Lab
:>
:> Hello Groupstudy,
:>
:> I just joined the list but I have been searching the archives for the last
:> year while studying for the written. I am studying for the CCIE lab now and
:> have purchased almost all the equipment I will need.
:>
:> I have a question about providing power for my home lab. I live in an
:> apartment with several free outlets around the place, ranging from 15 to 30
:> AMPS according to the circuit breaker box. They are well labeled by the
:> way.
:>
:> Below are my devices and their power ratings. I got these ratings from the
:> devices themselves and in case of the 3640s from here:
:>
:>
:> http://www.cisco.com/en/US/products/hw/routers/ps274/products_data_sheet0918
:> 6a0080091f6f.html<http://www.cisco.com/en/US/products/hw/routers/ps274/products_data_sheet09186a0080091f6f.html>
:>
:> 2x3560 switches, rating: 1.3-8amps (total: 2.6-16 amps
:> 2x3550 switches, rating: 5.5/2.8 (total 2x5.5 for 11 amps)
:> 5x2500 routers, rating: 40W 1.2-0.6A (total: 3 amps)
:> 6x3640 routers, rating: AC input: 2 AMPS (total: 12 amps)
:>
:> totals
:> switches: 17-27 amps
:> routers: ~15 amps
:>
:> I don't have a dryer or washer and the washer room has 2x30amp outlets.
:> Should I build my lab in the washer room? Should I run an extension cord
:> from the washer to my bedroom, a distance of about 35 feet? I have air
:> conditioning by the way in the bedroom but not in the washer room.
:>
:> Are there any other considerations I should take into account? I do plan on
:> getting a UPS/line conditioner (i believe this is the correct term) but I
:> believe I still need to take into account the overall power I am drawing
:> from the outlets.
:>
:> I am not an electrical guru by any means, so if I am misunderstanding these
:> ratings please let me know. Any advice would be appreciated.
:>
:> I found so many answers searching through your archives, it is really a
:> pleasure to have such a valuable resource.
:>
:> Thank you,
:>
:> -DH
:>
:>
:> _______________________________________________________________________
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