Replacing The Switch Card - IBM Netfinity EXP300 Hardware Maintenance Manual

Removing a bridge card:
Attention: Before removing the EXP300 bridge card, you must turn off the expansion
unit. Refer to "Turning the expansion unit on and off" on page 3 for detailed
instructions.
Complete the following steps to remove the EXP300 bridge card:
1. Turn off the expansion unit. Refer to "Turning the expansion unit on and off" on
page 3.
2. Remove the drive CRUs or blank filler panels from the left and right of the bridge
card bay. Refer to "Replacing hot-swap drives" on page 20.
3. Squeeze the bridge-card cover 1 clips, and pull the bridge card cover 1 off.
4. Lift the tray handle 2 , and pull the tray 3 that contains the bridge card out of
the bridge card bay.
Installing a bridge card:
Attention: Make sure the expansion unit is turned off before installing a bridge card.
Refer to "Turning the expansion unit on and off" on page 3.
Complete the following steps to install the EXP300 bridge card:
1. Make sure the expansion unit is turned off.
2. Hold the bridge card tray 3 so the tray handle 2 is at the top of the bridge card
tray and pointing outward.
3. Slide the tray 3 that contains the bridge card into the bridge card bay.
4. Push the tray handle 2 down, locking the bridge-card tray into place.
5. Replace the bridge card cover 1 by squeezing each of the four tabs, locking the
cover into place.
6. Turn on the expansion unit. Refer to "Turning the expansion unit on and off" on
page 3.

Replacing the switch card

To replace the switch card CRU in the EXP300 expansion unit, follow the instructions
for removing the switch card and installing the switch card.
Removing the switch card:
Attention: Before removing the switch card, be sure to turn off the expansion unit.
Refer to "Turning the expansion unit on and off" on page 3. Make note of the switch
card settings so you can set the new card to the same settings. Failure to do so will
result in loss of data.
Netfinity EXP300 Type 3531
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