Tripp Lite's N484-12M12 is a High Density 40Gb Pass-through Cassette, with (x12) 12-Fiber MTP/MPO connections. Designed specifically for use with Tripp Lite's N484-00U and N484-01U chassis'; up to 4 cassettes per N484-01U, or 1 per N484-00U. Each MTP/MPO connector is rated for up to 40GbE, with an extremely low insertion loss of 0.35db, well under the IEEE-802.3ae maximum channel loss spec of <25db. Installation is simple, with the cassette being easily installed or removed using screw tabs to lock or unlock it from the panel; no tools required. Furthermore, each cassette features factory terminated connectors that reduce the time and labor required of field connector terminations. Cassette housing made with heavy duty, 1.0mm Cold Rolled Steel.