Brocade Communications Systems 53-1002373-02 manual Chapter Maintenance and Field Replacement

Managing the cooling system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .331 Configuring the cooling system . . . . . . . . . . . . . . . . . . . . . . . . .331 Manually setting the fan speed . . . . . . . . . . . . . . . . . . . . . . . .336 Monitoring the cooling system . . . . . . . . . . . . . . . . . . . . . . . . .336 Temperature log reduction . . . . . . . . . . . . . . . . . . . . . . . . . . . .337

Managing interface modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .338 Configuring interface module boot parameters. . . . . . . . . . . .338 Changing priority of slots for interface modules . . . . . . . . . . .344 Disabling and re-enabling power to interface modules. . . . . .344

Enabling and disabling management module CPU usage calculations 345

Displaying CPU usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .346 Displaying management module CPU usage . . . . . . . . . . . . . . . . .347 Removing MAC address entries . . . . . . . . . . . . . . . . . . . . . . . . . . . .348

Chapter 8	Maintenance and Field Replacement
	Hardware maintenance schedule	349

Replacing a management module. . . . . . . . . . . . . . . . . . . . . . . . . .350 Replacing the Compact Flash Card in an MR2 management module 350

Replacing an interface module . . . . . . . . . . . . . . . . . . . . . . . . . . . .351 Removing and replacing an interface module . . . . . . . . . . . . .351

Replacing a switch fabric module . . . . . . . . . . . . . . . . . . . . . . . . . .352

Replacing a fiber-optic transceiver . . . . . . . . . . . . . . . . . . . . . . . . .353 Cabling a fiber-optic transceiver . . . . . . . . . . . . . . . . . . . . . . . .354

Replacing a power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .354 Determining which power supply failed . . . . . . . . . . . . . . . . . .354 Setting the threshold for power supply monitoring . . . . . . . . .354 Clearing power supply failure timestamps . . . . . . . . . . . . . . . .355 Displaying power supply monitoring timestamps . . . . . . . . . .355 Enabling a power supply shutdown . . . . . . . . . . . . . . . . . . . . .356 Powering on the power supply through the CLI . . . . . . . . . . . .356 Replacing a power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . .356

Replacing fan assemblies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .359 Replacing fan assemblies in all 32-slot routers. . . . . . . . . . . .359 Replacing fan assemblies in 16-slot routers . . . . . . . . . . . . . .362 Replacing the fan tray assembly in 4-slot and 8-slot routers .365 Replacing the air filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .367 Installing upward deflectors on fan assemblies . . . . . . . . . . .373

Brocade MLX Series and Brocade NetIron XMR Hardware Installation Guide	ix
53-1002373-02