Allen-Bradley 1751-SL4SP SynchLink Fiber 4-Port Splitter Block; Communication Rate: 5-Mbits/s; Converts electrical signals coming from the base block to optical signals and retransmits them simultaneously through Four Output Ports. DIN rail-mounted, housed in a two-piece plastic enclosure. Supply: 5.1VDC, 300mA, CL2, Series A