Hot-Pluggable FRUs
Note: You do not have to power off the system to remove a hot-pluggable FRU from the CEC drawer or
from I/O drawers.
The following FRUs are hot-pluggable:
v Some PCI adapters of an I/O drawer
v Power supplies in an I/O drawer or CEC drawer (if the drawer has two power supplies and only one
needs to be removed)
v Rear fans on the CEC drawers
I/O Drawer PCI Slot LED Definitions
The following table describes the possible states of the LEDs associated with the I/O drawer PCI slots.
These LEDs are located at the rear of the I/O drawer. One LED is associated with each PCI slot.
1
2
3
4
56
14
1312
11
10
9
8
7
P1
LED
PCI
Slot
LED Indication PCI Slot Status Definition
Off Off Slot power is off. It is safe to remove
or replace an adapter.
On (not flashing) On Slot power is on. Do not remove or
replace an adapter.
Flashing slowly (one flash per
second)
Identify Slot has been identified by the
software. Do not remove or replace
an adapter at this time.
Flashing rapidly (six to eight flashes
per second)
Action Slot is ready for removal or
replacement of an adapter.
416 Service Guide
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