... -LD-210M/100M/1000M, 1310nm, 20km, AC Supply Power, single fiber and Bi directionXTR1000-LD-110M/100M/1000M, 1310nm, 10km, ... DC Supply Power, single fiber and Bi directionXTR1000-LD-210M/100M/1000M, 1310nm, 20km, ... DC Supply Power, single fiber and Bi direction LED Description: LEDCOLORFUNCTIONFXGreenLit when 1000Base-X connection ...