Powering off the brocade 7800 – Brocade Communications Systems Extension Switch 7800 User Manual
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Brocade 7800 Extension Switch Hardware Reference Manual
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Operating the Brocade 7800 Extension Switch
3
Field replaceable units (FRUs)
You can replace the combined power supply/fan assemblies on site without the use of special
tools. The FRUs are keyed to ensure correct orientation during installation. Replacement
instructions are provided with all replacement units ordered.
ATTENTION
The Brocade 7800 has two power cords. To remove all power from the switch, disconnect both
power cords before servicing.
Power supplies/fan assemblies
The two FRUs are hot-swappable. They are identical and fit into either bay. They are keyed to
prevent being inserted upside down.
Fabric OS identifies the power supplies as follows (viewing the Brocade 7800 from the nonport
side):
•
Power supply #1 on the right
•
Power supply #2 on the left
Fabric OS identifies the fan assemblies as follows (viewing the Brocade 7800 from the nonport
side):
•
Fan assembly #1 on the right
•
Fan assembly #2 on the left
The FRUs are cross connected so that if one power supply fails the fans will continue to run on
power from the other power supply.
Any of the following methods can be used to determine whether a FRU requires replacing:
•
Check the status LED next to the On/Off switch (see
“LEDs on the nonport side of the
•
In DCFM, double click the 7800 switch icon to open Web Tools, then click the Power Status
icon.
•
Enter the psShow command at the command prompt to display power supply status.
•
In DCFM, double click the 7800 switch icon to open Web Tools, then click the Fan Status
icon.
•
Enter the fanShow command at the command prompt.
See the Combined Power Supply and Fan Assembly Replacement Procedure for information on
how to change the FRU.
Powering off the Brocade 7800
Perform the following steps to power off the switch.
1. Run the sysShutdown command.
This command not only shuts down the key processors but also powers off the switch and
all LEDs will go dark.
2. Set each AC power switch to “0”.