The S.I.Tech 2062 is engineered to be employed as a repeater on fiber optic networking. This expands the distance of fiber optic Arcnet, Ethernet, Token Ring, TTL or T1/E1 connections for nearly 10 Km. It can be customized to convert from multi-mode to single mode fiber. The 2062 can also be employed to convert 50/125 to 62.5/125 micron that is from one size to another size of fiber. There is up to 20 Mbps full duplex transmission with application with Arcnet, Ethernet, & Token Ring fiber optic LANs and an optional multi-mode or single mode. It is has a wall transformer 12 or 24 VDC power-supply. It has TR and REC status indicators and is generally employed as a fiber size converter.