Monitoring Redundant Cooling System Components

You monitor and maintain redundant cooling system components to keep an acceptable operating temperature for the router chassis and its components. (See Table 113.)

Table 113: Checklist for Monitoring Redundant Cooling System Components

Monitor Redundant Cooling System Component Tasks	Command or Action
Understanding Redundant Cooling System Components M5 and M10 Router Redundant Cooling System Components M7i Router Redundant Cooling System Components M10i Router Redundant Cooling System Components M20 Router Redundant Cooling System Components M40 Router Redundant Cooling System Components M40e and M160 Router Redundant Cooling System Components M320 Router Redundant Cooling System Components T320 Router Redundant Cooling System Components T640 Routing Node Redundant Cooling System Components
Displaying Redundant Cooling System Components	show chassis environment
Checking the Redundant Cooling System Status	See Checking the Cooling System Status.
Checking the Redundant Cooling System Alarms	See Checking the Cooling System Alarms and Display the Current Router Alarms.
Removing a Cooling System Component	See Replacing a Cooling System Component.
Returning Redundant Cooling System Components	See Return the Failed Component, or follow the procedure in appropriate router hardware guide.