WS-X4992 Cisco 4900m Spare Fan Tray

WS-X4992 Overview

Cisco WS-X4992 Fan Tray for Catalyst 4900M with 5 Fans, Hot-Swappable; Provides cooling air for the internal chassis components; The fans draw air in from the right side of the chassis and exhaust the heated air through perforations on the right side of the chassis