Instruction manual

5. Adding and Replacing Optional Modules
142
5.6 Adding or replacing a basic switching unit
Adding or replacing a basic switching unit must be performed by a
trained technician or maintenance personnel.
If another person performs the above and mishandles the network
interface unit, injury or damage could result.
NOTE
When adding a network interface unit, remove the blank panel. Make
sure you keep the blank panel you remove.
(1) Removing a basic switching unit
A basic switching unit can be removed while the Switch is on.
Note, however, that the procedure varies depending on whether the Switch is on or
off.
Remove the unit while referring to the following figure.
NOTE
Basic switching units of different table sizes, such as the BSU-LA and
the BSU-LB, cannot be replaced while the Switch is on. You must turn
off the Switch before replacing these units.
NOTE
For details about steps 1 to 5 in the figure, see the description of the
steps that follow Figure 5-28 Overview of removing a network
interface unit.