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Topic:
How to suspend/cradle wire bundle from Rack to wall plates?
This thread has 8 replies. Displaying all posts.
Post 1 made on Saturday January 9, 2016 at 15:45
Mario
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I'm working on a 42U rack that's going to have about 50-60 cables going between it and wall plates in the very tight equipment closet.
The closet is about 2'x4'.
There is no way to get to the wires behind the rack without pulling rack out.

I know how to mount/retain wires on the rack side, but don't want to just run the wires into wall plates as all the RJ45 jacks and plugs would be strained.

I'm looking for ideas (pictures please) for how to 'attach' the wire loom into the wall and then droop the wires into the wall plates.

I was thinking about using D Rings but I'm afraid that the weight and strain of the wires (when rack is pulled out) will be too much for D Ring, to hold. I also only have a stud on one side of where D Ring would be mounted.

One idea is to run a cable to the ceiling and support the loom just before it goes thru the D Ring.

So in closing, I'm looking for visual aid in suspending cables between rack and wall plates.
Post 2 made on Saturday January 9, 2016 at 17:31
Mac Burks (39)
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Treat those D-Rings as your cable ladder. Mount them vertically in a straight line between the wall plates and the rack.

Make nice bundles of cables. Maybe do all speaker in a bundle all RG6 in a bundle all Cat5 in a bundle etc. Attach the bundles at each D-Ring. The only weight or strain would be the 1' or 2' between the first D-ring and the wall plate. These short whips wont be an issue.

Any reason you aren't using a tall structured cabinet instead of all the wall plates? unused cables could be coiled up at the bottom and a closed door would keep anyone from accidentally unplugging a cable. Cost should be similar once you add up all the plates and jacks.
Avid Stamp Collector - I really love 39 Cent Stamps
OP | Post 3 made on Saturday January 9, 2016 at 18:12
Mario
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On January 9, 2016 at 17:31, Mac Burks (39) said...
Treat those D-Rings as your cable ladder. Mount them vertically in a straight line between the wall plates and the rack.

The ceiling that they have is this equipment room is kustom and I can't trust it to hold any weight.

Make nice bundles of cables. Maybe do all speaker in a bundle all RG6 in a bundle all Cat5 in a bundle etc. Attach the bundles at each D-Ring. The only weight or strain would be the 1' or 2' between the first D-ring and the wall plate. These short whips wont be an issue.

Even if the ceiling could hold the wires, the room is only about 4' deep and with rack taking ~2', there wouldn't be much room to make a cable tray of sorts.

Any reason you aren't using a tall structured cabinet instead of all the wall plates? unused cables could be coiled up at the bottom and a closed door would keep anyone from accidentally unplugging a cable. Cost should be similar once you add up all the plates and jacks.

This is a takeover job. I have been a part of some wire additions over time, but the 'bones' of the wiring scheme were already in place.
Post 4 made on Saturday January 9, 2016 at 18:23
Mac Burks (39)
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When i read wall plate i assumed you meant "outlet height" wall plates. I assumed you could mount a D-ring vertically at each stud location between the wall plates and the racks.


Avid Stamp Collector - I really love 39 Cent Stamps
OP | Post 5 made on Saturday January 9, 2016 at 18:49
Mario
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Mac, check you email.
Post 6 made on Saturday January 9, 2016 at 19:13
Indigo
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If there is plenty of slack. Use a bungie cord to hang one end up high and other end to strap to middle of wire bundle.
Post 7 made on Saturday January 9, 2016 at 19:22
Mac Burks (39)
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I saw the pics. Now i get it. If it were me i would get rid of all the existing "patch cables" coming from the back wall and start over so you have enough length. I would make sure that all the remaining cables are connected to wall plates so that there are no holes in the wall and so everything is a patch cable.

I would make a bundle out of all the wires from each panel. That will be easier to manage than one mega bundle. Take bundles up or down keeping the front of those panels accessible. Use the d-rings to strap/route bundles across the walls all the way to where the rack is. The object here is to not have any bundles draping through the air from the back wall to the rack. Bundles get routed to the side wall and attached the entire way. Leave enough slack for the rack to be rolled out. With bundles attached to the wall you can walk into the closet without trying to dance between strands of cable.

I would even take the cables from the plates on the other wall and go ahead and attach them to the wall so that their bundles can head the same direction as the others. This way every bundle shows up at the rack coming from the same direction.

My drawing shows the plates on the side wall but they look to be on the back wall of the closet. It doesnt matter so long as you use the d-rings to route cables around the walls to the front of the closet right before they go to the racks



These are the closest pics i have to what you are dealing with. A 2008 Phast to Crestron upgrade using the existing cable and rack. Originally wire was coming from every direction in this closet and i put in bulk cable plates and brought them out of the wall. If i had it to do over i would have attached the bundles to the wall like you plan to do. Having cables all come to the same side makes it easy to slide out and roll the rack to the wall.



Avid Stamp Collector - I really love 39 Cent Stamps
OP | Post 8 made on Monday January 11, 2016 at 03:04
Mario
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Will do.
I'll post the results -- if it turns even slightly OK.
Post 9 made on Monday January 11, 2016 at 14:01
GotGame
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Phast. I am still discovering that in boxes in my warehouse.
When I see it, I jump back like I saw the biggest spider in my life.
I may be schizophrenic, but at least I have each other.


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