ADTRAN solutions maximize performance, lower costs, and help companies achieve the best return on investment. ADTRAN is committed to achieving success for customers by offering "best-in-class" products with outstanding value. Let ADTRAN work for you.PRODUCT FEATURES:Industry-standard Small Formfactor Pluggable module;Provides 1000Base-SX Gigabit Ethernet interface over multi-mode fiber;Range up to 500 meters;User independently or in conjuction with copper interfaces.