The 800-31844-01 Cisco Fan Tray Module is an original equipment replacement designed specifically for the Cisco Catalyst 4948 Switch. Engineered to fit the switch’s chassis, this fan tray provides reliable cooling to maintain optimal operating temperatures and ensure consistent performance of the networking device. As a genuine Cisco component, it matches the quality and specifications of the factory‑installed unit, offering straightforward installation for technicians and minimizing downtime. Ideal for maintaining system reliability in data‑center or enterprise environments, this fan tray helps protect critical hardware by delivering the airflow needed for sustained operation.