Replacing The Switch Card - IBM TotalStorage 200 Installation And User Manual

Removing a bridge card
Attention:
storage unit. Refer to "Turning the storage unit on and off" on page 17, for detailed
instructions.
Complete the following steps to remove the storage unit bridge card:
1. Turn off the storage unit. See "Turning the storage unit on and off" on page 17.
2. Remove the drive CRUs from the left and right of the bridge card bay. See
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
Installing a bridge card
Attention:
See "Turning the storage unit on and off" on page 17.
Complete the following steps to install the storage unit bridge card:
1. Make sure the storage unit is turned off.
2. Hold the bridge card tray 3 so the tray handle 2 is at the top of the bridge
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
6. Replace the drive CRUs removed when you removed the bridge card.
7. Turn on the storage unit. See "Turning the storage unit on and off" on page 17.

Replacing the switch card

To replace the switch card CRU in the storage unit, follow the instructions for
removing the switch card and installing the switch card.
Removing the switch card
Attention:
See "Turning the storage unit on and off" on page 17. 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.
There is one switch card located between the two power supply/fan units at the
back of the unit. Complete the following steps to remove the switch card:
1. Turn off the storage unit.
24
5194 Network Attached Storage Model EXU Installation and User's Guide
Before removing the storage unit bridge card, you must turn off the
"Replacing hot-swap drives" on page 22.
the bridge card bay.
Make sure the storage unit is turned off before installing a bridge card.
card tray and pointing outward.
the cover into place.
Before removing the switch card, be sure to turn off the storage unit.