This Brocade switch is manufactured for EMC and is known as the EMC Connectrix DS-5100B. We have the following EMC DS-5100B manuals available for free PDF download. β 40 Fibre Channel universal ports with 1, 2, 4, and 8 Gbit/s full duplex. 48 port base and. The DS-5100B switch is designed for rapidly growing storage requirements in mission-critical environments--combining 4 and 8 Gb/s Fibre Channel technology in configurations of 24, 32, or 40 ports in an efficiently designed 1U package. The DS-5100B can be used as the foundation of a SAN with the ability to grow with an organization's SAN. The EMC Connectrix DS-5100B offers best-in-class port density and scalability for mid range enterprise SAN switches along with reduant, hot-pluggable components and non-disruptive software upgrades.