Adapters
Removal
Before performing these procedures, read “Safety Notices” on page xiii.
1. Perform the procedure in “Powering Off the System” on page 492.
2. Open the I/O rack rear door.
3. Remove the ac power cords from the rear of the drawer.
4. Remove the rear cover from the 10 EIA-unit I/O drawer.
5. Remove the access panel above the rear of the I/O tray.
6. Note the slot number of the adapter you are removing.
7. If there are any external cables attached to the adapter, disconnect them.
8. Loosen and remove the screw on top of the adapter’s bracket.
9. If there are any internal cables attached to the adapter, disconnect them.
10. Carefully pull the adapter out of the slot.
11. If you are installing another adapter in this expansion slot, follow the instructions
given under “Replacement” below.
12. If you are not installing another adapter in this expansion slot, replace the
expansion-slot cover, as follows:
a. Slide the cover over the open expansion slot.
b. Tighten the expansion-slot screw on the top of the expansion-slot cover.
Replacement
To replace an adapter, perform 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.
I/O Planar
Note: Before performing these procedures, read “Safety Notices” on page xiii, and the
safety notices at the start of this chapter.
Removal
1. Do the removal procedure in “I/O Tray” on page 513.
2. Do the removal procedure in “Adapters”.
3. Do the removal procedure in “Service Processor Card” on page 530.
4. Note the locations of all cables that are connected to the I/O planar and then
disconnect them all from the planar.
5. Remove the screws that attach the I/O planar to the 10 EIA-unit I/O drawer tray.
6. Remove the screw that holds the separator in the rear of the I/O tray and remove
the separator.
7. Remove the four standoffs from the RIO connectors (RIO 0 and RIO 1) on the rear
bulkhead.
532 Service Guide
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