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Hardware Upgrades

This appendix contains procedures for performing hardware maintenance procedures such as swapping the RS-232 and RS-422 ports, installing a new firmware update, and replacing the fuse.

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 B-1.

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 B-1. Lift the cover evenly to clear the grooves at the edge of the rear panel.

B-2 CrossPoint Plus Matrix Switchers • Reference Information

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Extron electronic HVA, 1616 HV manual ReferenceInformation,co t’d, Hardware Upgrades, Opening the switcher