www.securitymagazine.com/articles/76491-fiber-optic-universal-data-transceive-1
Fiber Optic Universal Data Transceive
July 1, 2004

The D2510WDM Series universal serial data transceivers are the first environmentally hardened transceivers that support data rates up to 512kbps. This unit provides transmission of a single RS-232, RS-422 or RS-485 serial data signal over one multimode optical fiber. The IFS D2510WDM Transceiver is ideal for applications where there are many different types of serial data present.