Routine Maintenance Procedures For Ex9253 Switches; Maintaining The Ex9253 Cooling System - Juniper EX9253 Hardware Manual

Routine Maintenance Procedures for EX9253
Switches
IN THIS SECTION
Purpose | 110
Action | 110
Purpose
For optimum performance of an EX9253 switch, perform preventive maintenance procedures.
Action
• Inspect the installation site for moisture, loose wires or cables, and excessive dust. Make sure that
airflow is unobstructed around the switch and into the air intake vents.
• Check the status-reporting devices on the switch—alarms and LEDs.
• Inspect the air filter and fan tray, replacing the air filter every 6 months for optimum cooling system
performance. Do not run the switch for more than a few minutes without the air filter or fan trays in
place.

Maintaining the EX9253 Cooling System

IN THIS SECTION
Removing a Fan Tray from an EX9253 Switch | 111
110