Cisco DS-9SLOT-FAN 9-Slot Cisco MDS Fan Tray for MDS 9509 2nd :: Alt () Other //

The Cisco DS-9SLOT-FAN is the official fan tray module designed specifically for the Cisco MDS 9509 Director-class Fibre Channel switch. It is a high-capacity, redundant cooling unit that provides essential airflow across the 9-slot chassis, protecting supervisors, Fibre Channel switching modules, and power supplies from overheating in high-density SAN environments.

This fan tray is a critical FRU (Field Replaceable Unit) for the MDS 9509. It contains multiple high-speed fans in a redundant configuration that automatically adjusts speed based on internal temperature. The DS-9SLOT-FAN is hot-swappable, allowing replacement without powering down the switch, which is essential for maintaining 24/7 uptime in enterprise data centers and SAN fabrics.