JPMTU-FIBER-6 - PATCH PANEL FIBER OPTIC BLANK 2U 6SLOT UNIVERSAL BLACK RACKMOUNT.The Universal Rackmount Fiber Panel can support up to 3 or 6 fiber adapter panels or fiber cassettes depending upon the model you have. It's an inexpensive way to rackmount and organize your fiber optic connections in a relay rack or cabinet. The fiber adapter panels or cassettes are mounted horizontally from side to side across the panel. Depending upon the adapter panel or cassette you can manage up to 144 strands of glass. The 3port panel is only