Remember that one time the cable you grabbed from the box was exactly the right length for the run from patch panel to server shelf? What if every patch cable you picked up were just the right length?
I think you mean SC/APC. It almost surely is single mode. OS2 should be fine. The other measurements probably don't matter as long as you get OS2 single mode with SC connectors with an APC polish on ...
The only 2 patch panels I've ever used myself have traditional punchdown blocks, and I have to say that I hate them. I find it difficult to work with the density, and I hate managing cabling in the ...