RE: [WIRELESS-LAN] Backup power

2017-07-21 Thread Thomas Carter
2564 www.austincollege.edu<http://www.austincollege.edu/> From: The EDUCAUSE Wireless Issues Constituent Group Listserv [mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU] On Behalf Of Mike King Sent: Friday, July 21, 2017 9:50 AM To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU Subject: Re: [WIRELESS-LAN] Backup power

Re: [WIRELESS-LAN] Backup power

2017-07-21 Thread Mike King
Most UPS companies offer service contracts on the larger UPS (Symmetry line from APC is one example). That's what I think they were asking about. IE, If your putting cheap throwaway UPS's in there, is it worth having a service contract. I think it comes down to how you utilize your network. If

RE: [WIRELESS-LAN] Backup power

2017-07-20 Thread Thomas Carter
I would ask why the connection between a UPS and maintenance contract? We have a mix of UPSes in important locations and *quality* surge supressors in others. We’ve had two switches fail due to power issues (out of roughly 100 on campus) over the past 5 years, and both were actually connected

RE: [WIRELESS-LAN] Backup power

2017-07-20 Thread Chris Adams (IT)
Sandra, We are also an APC customer, but it looks like our parts differ a bit from others. We use the SMX1500RM2UNC model on our MDF/IDF locations. With the SMX series, X is for extended runtime and allow for additional battery packs to be added for more runtime. This part number also is a

Re: [WIRELESS-LAN] Backup power

2017-07-20 Thread Urrea, Nick
e: [WIRELESS-LAN] Backup power We size and install a UPS in every switch closet. We have only a few models of switch and access point, so we built a spreadsheet to calculate our power load based on actual power draw observed in our lab. We try to size our UPSes to provide a minimum of 15 minut

Re: [WIRELESS-LAN] Backup power

2017-07-20 Thread Coehoorn, Joel
In theory, we use UPS with all of our switch. In practice, while we always have one when we deploy a new or replacement switch, the funding hasn't been there for maintaining the batteries or replacing a UPS if it fails. Joel Coehoorn Director of Information Technology 402.363.5603

RE: [WIRELESS-LAN] Backup power

2017-07-20 Thread Robert Owens
@LISTSERV.EDUCAUSE.EDU Subject: Re: [WIRELESS-LAN] Backup power We have an APC Smart-UPS in every closet. Between VoIP, WiFi, paging, HVAC, door locks, and repeaters for 2-way radios, we can’t let a power glitch interrupt connectivity, especially since we’re in a rural area prone to brownouts

Re: [WIRELESS-LAN] Backup power

2017-07-20 Thread Julian Y Koh
> On Jul 20, 2017, at 10:02, Sandra Bury wrote: > > I would be interested to know how many of you include UPS purchases for > switches in each network closet in your campus deployments. We put our switches on UPS. When a larger building UPS is available from

RE: [WIRELESS-LAN] Backup power

2017-07-20 Thread Eric Glinsky
We have an APC Smart-UPS in every closet. Between VoIP, WiFi, paging, HVAC, door locks, and repeaters for 2-way radios, we can’t let a power glitch interrupt connectivity, especially since we’re in a rural area prone to brownouts and blackouts. We’re also on a hill, prone to lightning strikes,

Re: [WIRELESS-LAN] Backup power

2017-07-20 Thread Lawson Cassels
Power is extremely reliable on our campus, but we still try to provide battery backup for most of our switches (VOIP and life safety reasons). We have found that the small 1500-2200VA UPS units need battery swaps every 3 years and full replacement every 6-9 years if you want to guarantee 100%

RE: [WIRELESS-LAN] Backup power

2017-07-20 Thread Oliver, Jeff
[mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU] On Behalf Of Dawn Douglass Sent: Thursday, July 20, 2017 9:13 AM To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU Subject: Re: [WIRELESS-LAN] Backup power I always put every switch on a UPS. On Thu, Jul 20, 2017 at 11:02 AM, Sandra Bury <sa...@fsmail.bradley.

Re: [WIRELESS-LAN] Backup power

2017-07-20 Thread Dawn Douglass
I always put every switch on a UPS. On Thu, Jul 20, 2017 at 11:02 AM, Sandra Bury wrote: > Good morning - > > I would be interested to know how many of you include UPS purchases for > switches in each network closet in your campus deployments. If you do not > build in

RE: [WIRELESS-LAN] Backup power

2017-07-20 Thread Tim Tyler
It is a mixed bag for us. We have over 80 closets on our campus. If we think a location has reliable power, we don’t bother and we just replace a switch if something happens. We did identify 5 residential buildings that have unreliable power so we put UPS’s in them. The other buildings

RE: [WIRELESS-LAN] Backup power

2017-07-20 Thread Nero, Jason
Sandy, We put UPS backup on every switch/stack on our 13 campuses to support VOIP phones in the event of a power outage for a minimum of 15 minutes. Some campuses have a generator, and the UPS is only there to buffer. As for our switching, all edge switches are HP/Aruba which carry