IBM System Storage EXP2512 Express Storage Enclosure Installation, User's, And Maintenance Manual page 52

13. Replace the midplane assembly in the enclosure chassis:
14. Secure the midplane assembly to the chassis on both the right and left sides
15. Insert the four screws that secure the midplane assembly to the enclosure on
16. Turn the enclosure on its side with the bottom facing toward you and insert the
17. Reinstall the ESM and blank filler panel (see "Replacing an ESM" on page 35).
18. Reinstall the two power supplies (see "Replacing a hot-swap power supply" on
19. Reinstall the hard disk drives making sure that each drive is inserted back in
20. Power-on the enclosure (see "Powering on the EXP2500" on page 21).
21. Check the LEDs to make sure that the enclosure is fully operational.
40
System Storage EXP2512 and EXP2524: Installation and Maintenance Guide
a. Grasp the midplane assembly with two hands and hold it at a 45° angle.
Tab
Midplane assembly
b. Insert the three tabs on the midplane assembly into the tab holes in the
enclosure and rotate the front of the assembly down.
of the enclosure by using the four screws that you removed in step 9 on page
38.
both the right and left front flanges by using the four screws that you removed
in step 8 on page 38.
two screws on the bottom of the enclosure by using the two screws that you
removed in step 7 on page 38.
page 36).
the same slot from which it was removed (see "Replacing a hot-swap hard disk
drive" on page 30).