Nortel Networks BCM50 manual Opening the main unit case, To remove a desktop-mounted main unit

192Chapter 24 Replacing an internal component

5Lift the main unit off of the rackmount shelf and set it on a flat, clean, static-free surface.

6Continue to the next step, “Opening the main unit case”.

To remove a wallmounted main unit

1Ensure that all the cables are removed from the main unit.

If they are not, refer to “To disconnect the cables” on page 191.

2Lift the main unit up until it disengages from the clips on the wallmount bracket.

3Pull the main unit out and away from the wallmount bracket.

4Set the main unit on a flat, clean, static-free surface.

5Continue to the next step, “Opening the main unit case”.

To remove a desktop-mounted main unit

1Ensure that all the cables are removed from the main unit.

If they are not, refer to “To disconnect the cables” on page 191.

2If a unit is mounted on top of the main unit, slide that unit forward until it disengages from the clips on the main unit. Lift the unit off of the top of the main unit.

3Lift the main unit off of the desktop and set it on a flat, clean, static-free surface.

4Continue to the next step, “Opening the main unit case”.

Opening the main unit case

This procedure assumes that you intend to perform maintenance activities. Do not operate the main unit with the cover removed.

To open the main unit case

Danger: Electrical shock warning.

Disconnect the power cord, telephone cables and network cables before opening the BCM50 main unit.

1Attach one end of a grounding strap to your wrist and the other end to a grounded metal surface.

2Turn the main unit over so that the bottom of the unit is facing up.

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