... working speed (10/100M) and working mode ( half / full duplex )·Built-in SDRAM couples with Store-Forward ability ... Singlemode fiber ) ·State LEDs: power, speed, link/acticity, full/half-duplex·Size: 19-inch standard rack-type structureSpecification:StandardIEEE802.3IEEE802 ... pressure flow controlLED IndicatorLED status of Link, activity, Full/half duplex, speed, and power on diagnostic functionCable ...