L-com, Inc. Telebyte RS422 Fiber Line Driver, DB25F, Externally Powered TB272F

Similar to the TB271 series except designed for RS422 and RS485. Both units utilize DB25F and dual fiber ST ports. For use with duplex Multimode Fiber Optic cabling. Features Extends the distance of RS422 or RS485 signals up to 2km. Provides data line protection from interference. Dual ST multimode fiber lines. Application Serial connections Industrial networking RS422/485 applications