8. Slide the planar toward the front of the system unit, tilt the rear of the I/O planar
upward, and remove it from the I/O tray.
Replacement
To replace the I/O planar, do the removal steps in the reverse order.
Attention: To prevent damage to cards in the drawer, refer to drawing on “10 EIA-Unit
I/O Drawer Cable Routing” on page 42, and ensure the cables are routed correctly.
Bulkhead Card
Before performing these procedures, read “Safety Notices” on page xiii.
Removal
1. Turn off the system power.
2. Remove the ac power cords from the rear of the I/O drawer.
3. Open the rear I/O rack door.
4. If required to gain access to the bulkhead card, do the removal procedure in
“Adapters” on page 532.
5. If required to gain access to the bulkhead card, do the removal procedure in
“Service Processor Card” on page 530.
6. Remove the screw that holds the separator in the rear of the I/O tray and remove
the separator.
7. Note the connector locations and disconnect all cables connected to the bulkhead
card.
8. Remove the standoff screws from each of the connectors on the bulkhead card from
the rear of the I/O drawer.
Note: The screws are color-coded. Note the location of the screws as you remove
them. The screws must be installed in the same positions on the new
bulkhead card.
Replacement
Replace in reverse order.
Chapter 9. Removal and Replacement Procedures 533
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