The N484-12M12 is a high-density 40 Gb pass-through cassette, with (x12) 12-Fiber MTP/MPO connections. Designed specifically for use with N484-00U and N484-01U chassis. Up to four cassettes per N484-01U or one cassette per N484-00U. Each MTP/MPO connector is rated for up to 40 GbE, with an extremely low insertion loss of 0.35db, well under the IEEE 802.3ae maximum channel loss spec of <25db. Guaranteed compatibility when used with recommended cabling. Designed specifically for use with N842-, N844- and N845-Series cables. 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.