Line modules provide ports for connection to network services. The Catalyst 8510 line modules are used for 10, 100, or 1000 Mbps Ethernet connections. Comprehensive network management, statistics gathering, and alarm monitoring capabilities are available. Status and link LEDs on each port give quick, visual indications of port status and operation.The 100BaseFX multimode fiber Ethernet line module is used for 100-Mbps Layer 2 or Layer 3 fiber-optic connections. This module supports full-duplex or half-duplex connections and Fast EtherChannel operation. It provides eight multimode fiber ports with SC-type connectors.