Genuine Original Dell Dimension OptiPlex PowerEdge Series I/O Modem Cable 5000T 05000T CN-05000T.
Dell Part Number: 5000T 05000T CN-05000T
Compatible Models: Dimension 4100, Dimension L486CX, Dimension L486R, Optiplex 960, OptiPlex GX1, OptiPlex GX100, OptiPlex GX110, OptiPlex GX150, OptiPlex GX1P, OptiPlex GX300, OptiPlex GX400, PowerEdge 830, PowerEdge SC1430, PowerEdge SC430, PowerEdge T105, PowerEdge T605 Series