NEC 1080Xd User Manual page 183

11. Connect any I/O board cable at the rear of the server.
When connecting a cable to an I/O board, be sure to leave
enough cable free for sliding the main chassis out of the
cabinet. Route the cable so it does not get pinched or
damaged.
12. Shut the front chassis door. Press firmly to secure it to the cabinet.
! CAUTION
I/O Board Installation 5-11