The 10/100-Mbps workgroup Fast Ethernet switching module (10/100BaseTX 24 port), provides 24 switched, 10/100-Mbps (10/100BaseTX Category 5 UTP), full- or half-duplex Fast Ethernet ports using 24 RJ-45 connectors. This module requires supervisor engine module software release 2.4(2) or later. The LEDs provide status information for the module and the individual 10/100-Mbps workgroup Fast Ethernet port connections.