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Question about rackmount cases

B

bozrdang

Weaksauce
Joined
Aug 3, 2004
Messages
89
I am a noob to racks and rackmounted cases and equipment so forgive me if this is a stupid question. How are most cases and equipment meant to be supported in the rear? I know about rails, but is everything rack mounted meant to be used with rails? What if I don;t need it to slide in and out? I ask because I just got a Norco 2U case and it's not deep enough to attach to the rear rack rails. I am also looking at a CyberPower rackmounted UPS and it also seems too shallow, but I don't even see any rails shown as accessories on their site. I know you can obviously use a shelf, but those aren't that cheap of an option.

What is the most used or cheapest option for supporting the rear end of rackmounted equipment?
 
It depends on the rack and the equipment being mounted to it.

Your best bet is to post up specifics for everything.

For a rack mount you are either mounting to four posts or two. Some gear only requires two posts to mount flush with the rack, other gear will require four posts, a shelf, rails, or etc.. Then you have gear which can be center mounted to only two posts. Also some two post racks will have both front and rear mounting points to support heavier gear.

The depth of a piece of equipment is not always enough to determine how it should be mounted.
 
My rack is a Dell 4210 and I have a Norco RPC-230 2U case I need to install. They do offer sliding rails as an option, but I don't need it to slide and was hoping there would be a cheaper non-sliding option.

I am also planning to buy a CyberPower OR1500LCDRM2U UPS and I don't even see any rails as an option.

Just wondering how best/cheapest to mount them and trying to get an idea on what is normally done for future components.
 
It looks like both the Norco and the Cyberpower come with rack ears.

I do not believe that either of the above units require a four post rack, and the Dell rack looks plenty sturdy enough to handle heavy gear with ears.

Just be careful with your mounting hardware, and double check that Cyberpower unit's mounting position. It looks like the rack ear holes are drilled for flush mounting, but double check that.
 
Wow I never considered that it would be OK to just mount them by the front ears. Yes, both units do come with front ears, but even at 54 lbs it will be OK to mount the UPS just by those? How can I know if any future equipment requires four rails?

What do you mean "be careful with your mounting hardware"? Do you just mean make sure everything is aligned and tightened properly? Would flush mounting be a problem with the UPS? Most things I've seen seem to be flush mount.
 
Do NOT mount a UPS by the ears. They are only there to secure it so it doesn't slide out when you plug stuff into the back.
 
Also I would shell out for sliding rails for everything else also, it's the proper way to mount on a 4 post rack.

Without rails you will need 2 people for any equipment moves, with rails its a 1 person job.
 
Also you have to check if the rails you buy are meant to be mounted inside or outside the mounting holes, some are different and may not fit all racks
 
TESLA said:
It looks like both the Norco and the Cyberpower come with rack ears.

I do not believe that either of the above units require a four post rack, and the Dell rack looks plenty sturdy enough to handle heavy gear with ears.

Just be careful with your mounting hardware, and double check that Cyberpower unit's mounting position. It looks like the rack ear holes are drilled for flush mounting, but double check that.
Click to expand...

LMAO.

Everything needs rails of some sort on a 4 post rack except maybe networking equipment.
 
I wrote to CyberPower about the proper installation of the UPS and they said that mounting with the front ears is all that is required. I also found a review on NewEgg where the purchaser complained that there were no other mounting options other than the front ears on a similar model and the manufacturer responded with the following:

Manufacturer Response:
I understand your concern over using two ears to mount the unit rather than rails, but the unit, hardware and screws are engineered and tested to support the load. We have been making rack mount UPS with identical mounting systems for over 8 years and have never had a single failure of the mounting hardware or UPS.
Click to expand...

So I guess we'll see.
 
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