The Cisco WS-X4993-F is a rear-exhaust spare fan tray designed specifically for the Cisco Catalyst 4948E Ethernet Switch. Cisco documentation identifies WS-X4993-F as the spare fan tray for the rear-exhaust 4948E configuration.
This is a cooling component, not a network interface or power supply. The fan tray maintains airflow through the switch chassis and helps prevent thermal shutdown during operation.
Key Features
- Manufacturer: Cisco
- Part Number: WS-X4993-F
- Product Type: Fan Tray / Cooling Module
- Compatible Platform: Cisco Catalyst 4948E
- Configuration: Rear Exhaust
- Function: Chassis cooling and airflow
- Installation: Internal replaceable fan tray
- Cisco Spare: WS-X4993-F(=)
Technical Specifications
- Application: Cisco Catalyst 4948E Ethernet Switch
- Cooling Type: Forced-air fan cooling
- Airflow Direction: Rear exhaust
- Module Type: Removable fan tray
- Installation Position: Internal chassis fan-tray assembly
- Replacement Type: Cisco field-replaceable spare
- Related Model: WS-X4993-F=
- Compatible Switch: Catalyst 4948E
- Not compatible as a generic replacement: The Catalyst 4900M uses a different fan tray, WS-X4992=
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