It supports transmission of one channel 10/100Base-T Ethernet over either one or two, multimode or single mode optical fibers with full duplex operation. Plug-and-play design makes installation straightforward, with no electrical or optical adjustment needed. LED indicators are provided to show the operational status of the unit. Rugged design in both enclosure and electrical protection makes it suit for application in harsh environment. The series is available in wall, DIN, and 2U passive rack FR2-12, or card version in 2U chassis FR2-16. The series is available in wall mount, DIN, and 2U passive rack FR2-12, or card version in 2U chassis FR2-16.