The Transition Networks CPSMC1300-100 13-Slot PointSystem chassis is a 19-inch, rack-mountable chassis for selected Transition Networks media converter slide-in-modules. The CPSMC1300-100 chassis allows the network administrator toconnect various copper and fiber-optic network media over protocols that includeEthernet, Fast Ethernet, DS3/E3, and OC-12 and many others.