rack cable length
jmcleod at musfiber.net
Fri Apr 17 19:17:34 UTC 2015
Or you build the cable to fit the span. I must be getting old.
From: NANOG [mailto:nanog-bounces at nanog.org] On Behalf Of Rafael Possamai
Sent: Friday, April 17, 2015 3:00 PM
To: North American Network Operators Group
Subject: Re: rack cable length
If you don't leave slack, you can't really pull the server out of the RU for maintenance (hot swaps, etc). Your best choice is to purchase cable management trays if that makes sense (Dell servers usually come with those). Otherwise you just need to deal with the loops and whatnot the best way you can. If your colo hardware is really random (dells, HPs,
supermicros) then it gets worse, but if your hardware is homogeneous then you can come up with some way of attaching brackets to the side of the rack that could help you avoid a rats nest in the back of your rack (granted you can't find cable management trays or they are too expensive to justify the investment).
On Fri, Apr 17, 2015 at 1:44 PM, shawn wilson <ag4ve.us at gmail.com> wrote:
> This is probably a stupid question, but....
> We've got a few racks in a colo. The racks don't have any decent cable
> management (square metal holes to attach velcro to). We either order
> cable too long and end up with lots of loops which get in the way (no
> place to loop lots of excess really) or too short to run along the
> side (which is worse). It appears others using the same racks have
> figured this out, but...
> Do y'all just order 10 of each size per rack in every color you need
> or is there a better way to figure this out? I'm guessing something
> like 24 inches + 1.75 inchex x Us) + 24 inches and round up to
> standard length...?
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