1m (3ft) MTP®-12 (Female) to MTP®-12 (Female) OM4 Multimode Elite Trunk Cable, 12 Fibers, Type B, Plenum (OFNP), Magenta
FHD High Density 1U Rack Mount Modular Enclosure Unloaded, Holds up to 4x FHD Cassettes or Panels, 144 Fibers (LC)
FHD Fiber Adapter Panel, OS2/OM3/OM4, 12x MTP® Key Up to Key Down (Black) Adapter
S5850-48S6Q, 48-Port Ethernet L3 Fully Managed Plus Switch, 48 x 10Gb SFP+, with 6 x 40Gb QSFP+ Uplinks
40G high-density fiber cabling system with MTP fiber adapter panel. Here's an example of 40G SR4 QSFP+ transceivers and MTP OM4 fiber cables connection.