Cisco 7606 6-Slot Chassis with dual 2700W AC Power Supplies, dual Supervisor 720-3B Fabric MSFC3 PFC3B Engine with maximum memory, one SPA Interface Processor-200, two 4-port channelized T3 to DSO shared port adapter, one 48-port 10/100/1000 GIGABIT Ethernet module fabric enabled, one 48-port GIGE module fabric enabled including (48) GE SFP LC connector SX transceiver, and a 4-port 10 GIGABIT Ethernet module including (4) 10GBASE-LR XENPAK modules.