Instruction manual

5. Adding and Replacing Optional Modules
152
the STATUS LED is on, the unit is on; when it is off, the unit is off).
Figure 5-39 Checking the STATUS LED
(1) Network interface unit
(2) STATUS LED
Step 2
Turn off the network interface unit if power is being supplied (execute the Inactivate
operation).
NOTE
For details about the Inactivate operation, see 11 Switch Management
in the Software Manual Configuration Guide Vol. 1.
Step 3
Loosen the screws of the network interface unit.