Network OS identifies fan assemblies from left to right as fan #1, fan #2, fan #3, fan #4, and fan #5 when viewed from the non-port
side of the device. For locations of these assemblies, captive screws, LEDs, labels, and other components, refer to the non-port side view
of the VDX 6740T in
NOTE
Maintain all power supply and fan assemblies in operational condition to provide redundancy.
CAUTION
Because the cooling system relies on pressurized air, do not leave any of the power supply and fan assembly slots empty
longer than two minutes while the switch is operating. If a power supply orand fan assembly fails, leave it in the switch until
it can be replaced.
CAUTION
Disassembling any part of the power supply and fan assembly voids the warranty and regulatory certifications. There are no
user-serviceable parts inside the power supply and fan assembly.
DANGER
The procedures in this manual are for qualified service personnel.
Refer to details on the meaning of LED patterns for the VDX 6740T power supplies and fans in
on page 101 to verify
operation and determine if replacement is necessary.
Determining the need to replace a power supply
Use one of the following methods to determine the status of the power supplies:
•
Check the power supply status LEDs. Refer to "Interpreting LED activity" for details on LED normal operation and error
conditions.
•
Enter one of the following commands in the command line interface to display power supply status:
–
show chassis
–
show environment power
•
Check the power supply status in the Web Tools application.
Time and items required to replace a power supply
Replacing a power supply should take less than two minutes to complete.
You need the following items to replace a power supply:
•
A new power supply (must have the same part number and the same airflow label as the power supply being replaced)
•
A #2 Phillips-head screwdriver
Replacing a 500W AC power supply
Complete the following steps to replace a 500W AC power supply.
NOTE
Before beginning the replacement, refer to the precautions in "Power precautions."
1. If leaving the device in service while replacing a power supply, verify that the other power supply (the one not being replaced)
has been powered on for at least four seconds and has a steady green status LED.
FRU replacement in the VDX 6740T
ExtremeSwitching VDX 6740 Hardware Installation Guide
9036108-00
113
Содержание ExtremeSwitching VDX 6740
Страница 10: ...ExtremeSwitching VDX 6740 Hardware Installation Guide 10 9036108 00...
Страница 12: ...ExtremeSwitching VDX 6740 Hardware Installation Guide 12 9036108 00...
Страница 24: ...ExtremeSwitching VDX 6740 Hardware Installation Guide 24 9036108 00...
Страница 28: ...ExtremeSwitching VDX 6740 Hardware Installation Guide 28 9036108 00...
Страница 98: ...ExtremeSwitching VDX 6740 Hardware Installation Guide 98 9036108 00...
Страница 124: ...ExtremeSwitching VDX 6740 Hardware Installation Guide 124 9036108 00...
Страница 128: ...ExtremeSwitching VDX 6740 Hardware Installation Guide 128 9036108 00...