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8 Replacing a power supply
Cabling a fiber-optic transceiver
To cable a
1.Before cabling a
2.Gently insert the two cable connectors (a tab on each connector should face upward) into the port connectors until the tabs lock into place.
Replacing a power supply
You can replace a power supply while the device is powered on and running. For the location of the power supplies (AC or DC) refer to Chapter 1, “Product Overview”.
CAUTION
If you are
Determining which power supply failed
To determine which power supply has failed, enter the show chassis command at any CLI command prompt.
Brocade# show chassis
This command displays status information for the fans and power supplies, and temperature readings for various components in the device. The power supplies are numbered in the display. Refer to “Displaying device status and temperature readings” on page 324 for more information.
If a power supply has failed, the display indicates “Installed (Failed)” and identifies the slot in which the failed power supply is installed.
Setting the threshold for power supply monitoring
The
To set a threshold value for power supply monitoring, enter the following command.
A Power Supply will be Shutdown if it fails 3 times within an Hour
The power supply will flap three times within an hour, after which the power supply will automatically shut down.
Syntax: [no] power-supply monitoring [threshold <decimal>]
The <decimal> variable specifies the number of flaps within an hour after which a power supply will automatically shutdown. The threshold range is from 0 through 32. The default value is 5. A value of 0 disables the power supply
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