74
Sun Datacenter InfiniBand Switch 648 Installation Guide • May 2010
7. Turn the right retainer bolt 1/4 turn clockwise.
Caution –
Do not turn the retainer bolts more than 1/4 revolution each time.
Turning more than 1/4 turn damages the line card and midplane XBOW connectors.
8. Repeat
and
about 12 times until you feel resistance to turning and
the line card is flush to the front of the chassis.
9. Give each retainer bolt a torque of 2.0 ft-lb (0.27 kg-m).
10. Turn the left retainer bolt 1/4 turn
counter
-clockwise.
11. Turn the right retainer bolt 1/4 turn
counter
-clockwise.
12. Repeat
and
twice to relieve board deflection.
13. Verify that the line card is properly seated in the slot.
14. Repeat
through
for each line card to be installed.
Install the cards into the following slots in the following sequence:
0, 1, 2, 3, 4, 5, 6, 7, 8
15. Install the line card fillers into the vacant slots.