Brocade MLX Series and Brocade NetIron XMR Hardware ...

8Replacing fan assemblies6. Check the fan status LED in the lower left corner of the faceplate. It will light red momentarilywhen power is applied, then change to green when the fan comes up to speed.7. Access the CLI, and enter the show chassis command to verify that the fan is operatingnormally.Replacing fan assemblies in 16-slot routersBrocade MLX and Brocade NetIron XMR 16-slot routers have one fan assembly accessible from thefront of the router and two assemblies accessible from the rear of the router.Brocade MLXe 16-slot routers have two fan assemblies accessible from the rear of the router.You can remove and replace a fan assembly while the router is powered on and running.CAUTIONTo avoid overheating of the 16-slot router, remove one fan assembly at a time, and replace itpromptly. Do not remove all fans from the device at once.To replace a fan assembly, you need the following:• A new fan assembly, which you can order from Brocade.• A small flat-blade screwdriver.• An ESD wrist strap with a plug for connection to the ESD connector on the router.DANGERFor safety reasons, the ESD wrist strap should contain a 1 megohm series resistor.Replacing the rear fan assemblies in 16-slot routersThe instructions for replacing the rear fan assemblies in the 16-slot router apply to both standard)and high-speed fan assemblies.Perform these steps to replace a rear fan assembly.1. Put on the ESD wrist strap and ground yourself by inserting the plug into the ESD connector onthe router.2. Loosen the four captive screws that secure the fan assembly to the router.3. Remove the fan by inserting your fingers underneath the fan assembly and pulling theassembly toward you as shown in Figure 232 and Figure . Pulling the fan assembly unseats thefan connector from the router connector.DANGERBe careful not to insert your fingers into the fan while removing it. The fan may still be spinning ata high speed.362 Brocade MLX Series and Brocade NetIron XMR Hardware Installation Guide53-1002373-02