Avocent Cyclades-PR4000 - Manual (Page 170)

Cyclades-PR4000
170 Appendix D - Installation of Additional Digital Modems
Step Eight:
Insert the board carefully into the slot, aligning the indentations in the board with the guides of the slot. Forcing the
board or pushing it in at an angle can damage the board and the slot.
Step Nine:
Push the board into the slot until the clamps close around the board.
Slot
Clamp