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Hardware Upgrades
This appendix contains procedures for performing hardware maintenance procedures such as swapping the
Opening the switcher
Before you can perform any of the hardware upgrade procedures, you must open the switcher. The interior of the CrossPoint Plus 84, 88, 124, and 188 switchers is accessed by removing the top cover. The interior of the CrossPoint Plus 168 and 1616 is accessed by removing the front cover.
Opening the CrossPoint Plus 84, 88, 124, and 128
To open the CrossPoint Plus 84, 88, 124, or 128 switcher, do the following:
1.Disconnect the power cord from the switcher.
2.If the switcher is rack mounted, remove the switcher from the rack and place it on a clean workspace.
3.Remove the eight screws that secure the switcher’s top cover as shown in figure
NOTE If you are installing a firmware update, also remove two screws in this location on the bottom cover.
Fuse
Power supply
Video board
Front panel board
Figure B-1 — Removing the top cover
CAUTION
Do not touch the components inside the switcher without being electrically grounded. Electrostatic discharge (ESD) can damage ICs, even if you cannot feel, see, or hear it.
4.Lift the top cover straight up as shown in figure