This is a 50m single-mode fiber (SMF) MPO/4xLC duplex fanout yellow patch cable. This cable utilizes a female (no pins) MPO connector on one end, and 8 LC (4 LC duplex) male plugs on the other end. This SMF 9/125 cable provides high-density connection for network equipment. This MPO to 4xLC duplex cable provides savings in circuit card and rack space. In addition, it accommodates speeds up to 40 gigabits, commonly used in QSFP applications. This patch cable is recommended for connections between fiber patch panels, hubs, switches, media converters and routers, etc. AddOn's patch cables are 100% compliant for all of your networking needs. They provide higher speeds and increased bandwidth, compared to conventional twisted-pair copper cable. Each cable is 100% optically tested for insertion loss before you take ownership.