4 post equipment rack and 2 post relay rack.  Terminate everything from the equipment rack into a patch panel?!

Your situation seems very tight, how do you install the cable on the back of the systems if you cannot access the back? There are many ways to do what you want to do, but I think it really boils down to two options.


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Options
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1. Patch directly from switch to equipment

Pros.  - Easy to setup, cheaper, no wasted rack space.
Cons. - Harder to manage in the long run, difficult to add new wires.

2. Install a new dedicated patch panel in each rack, mapping each port from the first rack to the second. Then you patch the equipment to the patch panels.

Pros.  - Easier to manage in the long run, you can plan for future growth by adding more ports initially.
Cons. - Costs more upfront, uses rack space on both racks.


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Tips on Using Neat-Patch
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The trick is, the Neat-Patch boxes don't have to be used for patching from a panel to a switch like they show on their website. The cover only blocks the front of the Neat-Patch box, there is a suitably large opening on each side of the Neat-Patch to allow many wires to enter.

You can use this opening with this process:
1. remove the Neat-Patch cover
2. route patch cords into the box from one side (you can use the openings on both sides if you the need extra capacity)
3. create a loop for excess slack
4. route each individual cord through one of "teeth" on the box to your ethernet switch
5. close the cover

You can you just have a few wires and an under-utilized patch panel you might be able to share a Neat-Patch with your patch panel, and switch. If you have many wires coming in this way, you should use a dedicated Neat-Patch box and ethernet switch. It all depends on how many of your ports you are utilizing.

Now take the group of wires emanating from the side opening on the Neat-Patch, and strap it to your vertical post on the 2-post rack. Now go all the way up, or all the way down the vertical post on your rack with your bundle, strapping every so often. Then repeat the opposite on your other 4-post rack wherever is convenient for you.

If you're going to do it this way, its a good idea leave an extra loop of wire for some additional length if you need to make a change (example your switch at the bottom of the rack died and you need to plug into another switch at the top). You can use another empty Neat-Patch for the purpose of hiding the extra loop. There are photos of this loop on the Neat-Patch website.


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My Setup with Neat-Patch
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I installed and manage a similar two rack system that includes 4-post rack (Rack-A) for equipment, and a 2-post rack (Rack-B) for networking which are side by side. I also use two of the Neat-Patch cable management systems, and they they work fantastic.

Unlike you, I have a small isle behind the racks that I can squeeze into. To connect the equipment in Rack-A to the network in Rack-B I did the following:

* bundled in sets of 8 wires tied together with a combination of zip ties and Velcro
* labeled the end of each wire with alpha-numeric label
* tied the smaller bundles together to create a larger bundle and ran the bundle from Rack-B to Rack-A
* secured the entire bundle to one of the vertical posts on Rack-B (there was a small depression in the I-beam post that was convenient to use)
* draped the bundle over the top of Rack-B horizontally and tied to the wall-mounted brace
* entered the hole on the top-rear corner of Rack-A (4-post), and routed the wire down a vertical cable guide.
* used the rear cable management arms from Dell to keep the wires in place and allow the systems to slide out on their rails
* all equipment wires patched directly into a switch