Chapter 2 Preparations
2. Installation and Connection
14. Raise the lock levers on the left and right sides.
15. Fasten the levers on the left and right sides with screws.
16. Mount the CPU/IO module 1 in the same way as described in Steps 13 through 15.
Express5800/R320c-E4, R320c-M4, R320d-E4, R320d-M4 User's Guide
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