The NCPT4-219G and NCPT4-220G from Planet feature 10/100/1000TX RJ45 ports and either 1000Base SX (NCPT4-219G) or 1000BaseLX (NCPT4-220G) SC fiber optic ports. These media converters comply with IEEE 802.3 10Base-T, IEEE 802.3u 100Base-TX, IEEE 802.3ab 1000Base-T and IEEE 802.3z 1000Base-LX/SX and also supports flow control and back pressure in half-duplex to eliminate packets loss. Order online today!