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109352-E Rev. A 4-1
Chapter 4
Accessing the Interior
Experienced network operators can safely perform the user-serviceable
procedures that are described in Chapter 5. Only authorized Bay Networks service
technicians can perform other procedures, not described in this book.
Before you can perform user-serviceable procedures, you must access the interior
of your Backbone Node hardware platform, as follows:
Remove the front bezel.
Connect the antistatic wrist strap to the hardware platform.
Remove the electromagnetic compatibility (EMC) shield from the front panel
to access the interior.
Remove and install an air flow module. (Refer to the BLN and BCN Fuse
Service Manual for instructions.)
Depending on your hardware platform model, you need a Phillips screwdriver,
standard screwdriver, or both to replace hardware components.
Caution: Always use the wrist strap to avoid damage to electronic
components when handling hardware modules.
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