The IBM 2-Port Gigabit Ethernet-SX PCI-X Adapter provides two 1 Gbps (1000 Base-SX), full-duplex Ethernet LAN connections with throughput on a standard shortwave multimode optical cable that conforms to the IEEE 802.3z standard. The adapter supports distances of 260 meters for 62.5 micron multimode fiber and 550 meters for 50.0 micron multimode fiber. This adapter supports AIX Network Install Manager (NIM).