The N484-01U is a 19-inch rack-mount chassis that supports up to four high-density copper/fiber cassettes for managing your networking equipment in 1U of space. Choose among a wide array of cassettes ranging from LC and MTP fiber to SFP+ and RJ45 copper. Fiber cassettes come in multiple variations, allowing you to connect and interconnect your 10 Gb, 40 Gb and 100/120 Gb equipment. The N484-12SFP-K is an innovative 12-port passive SFP+ hub cassette that comes with six QSFP+ to (x4) SFP+ breakout cables, allowing for distributed redundancy between multiple 40 Gb devices. The N484-01U is a solution that is well suited for SME (Small and Medium Enterprise) and other applications where equipment is being connected in one to three adjacent racks. In addition, this unique chassis allows for seamless flexibility to connect to existing cabling infrastructure. Add up to 48 ports of Duplex LC, MTP, Cat5e/6 RJ45 or SFP+.