Dell OptiPlex GX280 User Manual
Page 273
1 card cage
2 handle
4. If you are installing a new serial port adapter, remove the filler bracket to create an empty card-slot opening. If you
are replacing an adapter that is already installed in the computer, remove the adapter. If necessary, disconnect any
cables connected to the adapter. Grasp the serial port adapter by its top corners, and ease it out of its connector.
5. Prepare the serial port adapter for installation.
CAUTION:
To guard against electrical shock, be sure to unplug your computer from its electrical outlet
before installing any cards or adapters.
6. Gently push the release tab on the retention lever.
7. Place the serial port adapter bracket in the connector and press down firmly. Ensure that the adapter is fully seated in
the connector.
8. Gently press the retention lever down to secure the adapter.
NOTICE:
Do not route card cables over or behind the cards. Cables routed over the cards can prevent the computer
cover from closing properly or cause damage to the equipment.
9. Connect the adapter cable to the serial port adapter connector (SER_PS2) on the system board.
10. Replace the card cage:
a. Align the tabs in the side of the card cage with the slots on the side of the computer, and slide the card cage
down into place.
b. Ensure that the riser boards are fully seated in the connectors on the system board.
11. Connect any disconnected cables.
12. Replace the computer cover.
NOTICE:
To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.
13. Connect your computer and devices to electrical outlets, and turn them on.