Do you really need cable management for a cabinet with just switches and patch panels?

We are about to start wiring out a building expansion and our vendor has laid out the racks in the following configuration:

Option 1

1U Fiber patch panel 
2U Cable Manager 
2U 48 port Patch Panel
2U Cable Manager 
2U 48 port Patch Panel
2U Cable Manager 
1U 48 port Switch
2U Cable Manager 
1U 48 port Switch
Total = 15U 

All the patch panels would be connected to the switches with 1ft+ cables fed through cable management.


What I am considering instead is:

Option 2

1U Fiber patch panel 
1U 24 port Patch Panel 
1U 48 port Switch
2U 48 port Patch Panel 
1U 48 port Switch
2U 48 port Patch Panel 
Total = 8U

All of the patch panels would be connected to the switches with .5 ft cables directly on their face with the top 24 ports of each switch patched to the patch panel above it and the bottom 24 ports of each switch patched to the patch panel beneath it which would not require any cable management.


If I go with option 2 it save all of the space used by cable management and allows us to keep adding on switches and patch panels at the end without having to re-cable all of the patch panels above.

Our vendor has indicated that this is not best practice and that .5ft cables will introduce cross talk. I could understand that being the case if we were connecting the .5 ft cable directly into another switch but we are connecting it to a patch panel that likely has another 150 ft cable run from the back of the patch panel out to the port in the building in which case the real resulting cable is 150.5 ft at minimum before even connecting it to a PC.

It seems like it makes much more sense to go with option 2. It is easier to expand, saves space, and saves money on cabling and cable management.

Does this kind of configuration make sense or is there a legitimate reason to choose Option 1 over Option 2?


Solution 1:

Cables are easier to trace, and space is used much more efficiently in Option 2. Crosstalk increases when longer cables are tightly bundled, so you should have LESS with the short ones, even if they were switch-to-switch.

Ensure cables at back of patch panel are routed to leave room for easy switch insertion. It works well for us.

My only question: will you need more switchports for the 24-port patch panel?

Solution 2:

We do it this way (ie your option 2) in our server room and wiring centres. Much neater to setup, and if you need to pull or replace a switch, you don't have to wade through bundles of Cat5.

It's a win for us.