... IOS Software. They also support up to a 8700W AC and DC power supply, with the ability to support ... modular Cisco IOS Software to:Decrease unplanned downtime through self-healing processesSimplify software changes through subsystem in-service software upgradesThe ... 720-3CXL• Cisco Catalyst 6500 Supervisor Engine 32Power Supply Compatibility• AC: 3000W, 4000W, 6000W, and 8700W• DC: 2500W, 4000W, ...