The Cisco PWR-C49E-300AC-R AC Redundant Power Supply is a 300-watt, hot-swappable power module designed for Cisco Catalyst WS-C4948E switches to provide redundant, reliable power in enterprise and data center networks. It accepts 100–240V AC at 50–60 Hz, supports a redundant power configuration, and includes an integrated cooling fan for stable operation in high-density environments. The power supply installs in an internal switch power supply slot and is used to maintain uptime in corporate cores, campus networks, and data center deployments, with Manufacturer Part Number PWR-C49E-300AC-R.
