where on a telco rack should you put the ups?

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[ARCHIVED THREAD] - where on a telco rack should you put the ups?

Posted: 1/4/2006 12:04:32 PM EDT

i have a small telecom rack with four switches or so. would like to add a couple small (1u) rack mount ups. is there a standard location for them? typically i put them at the bottom since they are usually heavy, but in this case the power source is near the ceiling. any reason they can't be mounted above the switches? any type of interference for data connections and patch cables which would be less than a foot or so away to be concerned about?

thanks

Posted: 1/4/2006 12:10:06 PM EDT

[#1]

Lead-acid batteries above the electronics?
We put them all at the lowest level possible.

Posted: 1/4/2006 12:12:23 PM EDT

[#2]

Bottom here as well.

Bob

Posted: 1/4/2006 12:12:28 PM EDT

[#3]

as long as the rack can safely support the weight and the rack is properly grounded it should not be an issue.

just keep cableing in mind. usually the top are of racks are hard to remove things from for service due to cables run across and in front of it. that ups will need to be replaced occasionally, you don't want to kill the rack to swap out a UPS.

Posted: 1/4/2006 12:14:59 PM EDT

[#4]

Quoted:
Lead-acid batteries above the electronics?
We put them all at the lowest level possible.

most of the small eu systems use sealed batteries. shouldn't be a problem

Posted: 1/4/2006 12:16:41 PM EDT

[#5]

We always put them as low as possible. There may be some good reasons out there but I do it because those damn things are heavy and I'm to lazy to pick one up higher than knee level

Posted: 1/4/2006 12:23:53 PM EDT

[#6]

We only mount DSX's in ours,we use stand alone GNB sets,really big and heavy.If I were to put it in a telco(aux) rack I would go with as close to the bottom.

Posted: 1/4/2006 12:25:17 PM EDT

[#7]

Quoted:
We always put them as low as possible. There may be some good reasons out there but I do it because those damn things are heavy and I'm to lazy to pick one up higher than knee level

+1.

And because even though they're sealed batteries, I still don't trust them 100%

Posted: 1/4/2006 12:25:30 PM EDT

[#8]

Kinda strange to see this question asked here.Guess there are a few of us here that know what that is.

Posted: 1/4/2006 12:26:48 PM EDT

[#9]

We have seperate battery racks in another room.. for what your doing, put it on the bottom, ( also how we handle "lan closets")

Posted: 1/4/2006 12:27:44 PM EDT

[#10]

Quoted:
We always put them as low as possible. There may be some good reasons out there but I do it because those damn things are heavy and I'm to lazy to pick one up higher than knee level

major +1

Posted: 1/4/2006 12:41:09 PM EDT

[#11]

We always put em on the bottom (APC2200's with the NIC) because it keeps the CG lower on the rack and, more importantly, it makes changing the batteries easier.

Posted: 1/4/2006 12:42:21 PM EDT

[#12]

Quoted:
We always put em on the bottom (APC2200's with the NIC) because it keeps the CG lower on the rack and, more importantly, it makes changing the batteries easier.

as a side question, where do you get your ups replacement batteries?

Posted: 1/4/2006 12:42:46 PM EDT

[#13]

Quoted:
We always put em on the bottom (APC2200's with the NIC) because it keeps the CG lower on the rack and, more importantly, it makes changing the batteries easier.

We have a winnah!

Posted: 1/4/2006 12:46:14 PM EDT

[#14]

Quoted:
We always put em on the bottom (APC2200's with the NIC) because it keeps the CG lower on the rack and, more importantly, it makes changing the batteries easier.

NIC is handy.. BUT I hate these emails...

v1
Name : YO****11
Location : ***
Contact : ****
http://*.*.*.*

Serial # : ZA0******0
UPS Ser #: WS*****
Date: 01/04/2006
Time: 09:37:36
Code: 0x0119

Severe - UPS: Batteries need immediate replacement.

Posted: 1/4/2006 12:50:00 PM EDT

[#15]

If you're managing a rack you should know this already.

Posted: 1/4/2006 1:03:26 PM EDT

[#16]

Quoted:
Quoted:
We always put em on the bottom (APC2200's with the NIC) because it keeps the CG lower on the rack and, more importantly, it makes changing the batteries easier.

We have a winnah!

yep!

Posted: 1/4/2006 1:09:13 PM EDT

[#17]

Quoted:
Quoted:
We always put em on the bottom (APC2200's with the NIC) because it keeps the CG lower on the rack and, more importantly, it makes changing the batteries easier.

as a side question, where do you get your ups replacement batteries?

The last batch came from CDW. Price was ok, plus disposal and shipping of the old ones (hazmat they are) is included.

Posted: 1/4/2006 1:12:26 PM EDT

[#18]

Down low. Shit man, they're heavy!

Get a longer cord.

Posted: 1/4/2006 1:33:05 PM EDT

[#19]

excellent replies. thanks all around.

i just finished installing. low to the ground turned out to be ok as the power was closer than it had first seemed. with cables and future replacement in mind, it should work well.

Posted: 1/4/2006 1:35:56 PM EDT

[#20]

Rack stability trumps cord length.

Posted: 1/4/2006 1:41:32 PM EDT

[#21]

I'm in an earthquake zone........you figure it out.

Posted: 1/4/2006 2:17:07 PM EDT

[#22]

By accident, I found that (at least for APC,) there is a supplimental battery pack that someone else makes. It holds 6 of the same batteries that are in most other apc types. The 3000 apc holds 8, so I have to order 2 of them, but the extra 4 fit in the 1400 apc. Total cost is cheaper than buying 6 new batteries individually.
So when it gets to that time, it might be cheaper to findout the type of battery and what else uses it.

Posted: 1/4/2006 2:26:03 PM EDT

[#23]

Quoted:
....where on a telco rack should you put the ups?....

Generally speaking, the first 5 U's from the bottom of the rack is reserved for backup/UPS. In mission critical environment, backup power (battery farms, generators, etc.) are stored in a separate room/building close to the main equipment.

Posted: 1/4/2006 2:30:14 PM EDT

[#24]

Here is a company that I use.
UPS Batteries

As others have said, watch the CG of the rack. Nothing more fun that to be pulling a piece of gear and see the rack try to follow it.

[ARCHIVED THREAD] - where on a telco rack should you put the ups?

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