Instruction manual

5. Adding and Replacing Optional Modules
158
Figure 5-19 Checking the STATUS LED
(1) STATUS LED
(2) Control and switching unit
Step 2
Turn off the control and switching unit if the 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 control and switching unit.
Figure 5-20 Removing a control and switching unit (1)
(1) Screws
CAUTION
Loosen the screws completely. If the screws are not loose enough, the
control and switching unit might be damaged when the levers are
opened.