Removing The Switch Card; Installing A Switch Card; Replacing An Esm Board - IBM Netfinity EXP300 Installation And User Manual

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 21. 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 expansion unit.
2. Locate the blue push pin 2 at the bottom of the switch card tray.
3. Pull out the blue push pin 2 .
4. Pull up on the switch-card tray handle 1 .
5. Slide the tray that contains the switch card out of the switch card bay.

Installing a switch card

Attention: Before installing a new switch card, make sure that the switch card
settings are the same as the settings on the switch card being replaced, and that the
expansion unit is turned off. Refer to "Turning the expansion unit on and off" on page
21. Failure to do so will result in loss of data.
There is one switch card located between the two power supply/fan assemblies at the
back of the unit. Complete the following steps to install the switch card:
1. Make sure the expansion unit is turned off.
2. Hold the switch card so the blue push pin 1 is at the bottom of the card and the
tray handle 2 is to the left of the card.
3. Hold the tray handle 2 up and slide the card 3 into the bay until it stops.
4. Push the tray handle 2 all the way down; then, push in the push pin 1 .

Replacing an ESM board

To replace an ESM board CRU in the EXP300 expansion unit, follow the instructions
for removing an ESM board and installing an ESM board.
Chapter 3. Installing and replacing devices
31