Instruction manual

5. Adding and Replacing Optional Modules
185
Figure 5-47 Installing a network interface unit (3)
(1) Lever
CAUTION
Use the levers so that the connectors on the optional module and the
Switch will be engaged correctly.
When moving the levers, move them slowly (one second or longer)
without exerting any force.
Failure to do this could result in a Switch malfunction or fault.
Step 5
Tighten the screws of the network interface unit.
Figure 5-48 Installing a network interface unit (4)
(1) Screws
NOTE
Use a screwdriver to tighten the screws. Make sure the screws are
firmly tightened.