The Inline Power 10/100BaseT Ethernet switching modules support up to 48 ports per module. Inline Power is 48-volt DC power provided over standard Category 5 unshielded twisted-pair (UTP) cable up to 100 meters. Instead of requiring wall power, terminal devices such as IP telephones can utilize power provided from the Catalyst 6000 family of switches. This capability gives the network administrator centralized power control, which translates into greater network availability. By deploying Catalyst 6000 family switches with uninterruptible power supply (UPS) systems in secured wiring closets, network administrators can ensure that building power outages will not affect network telephony connections.