Alaxala AX6300S Series Instruction Manual page 208

5. Adding and Replacing Optional Modules
(2) Network interface unit slot
Step 3
While holding the levers, push the unit carefully until the levers touch the Switch.
The levers must be opened parallel to the direction of insertion.
Figure 5-46 Installing a network interface unit (2)
(1) Contact point
(2) Lever
CAUTION
CAUTION
Step 4
Close the levers of the network interface unit. (The unit is inserted completely.)
184
While holding the levers, push the network interface unit carefully until
the levers touch the Switch.
Failure to do this could result in a Switch malfunction or fault.
Open the levers as shown in the figure when you install a network
interface unit. If the levers are closed or opened too much, they might
be damaged when you install the unit.