Nortel Networks BCM50 manual Removing the main unit, To remove a rackmounted main unit

Chapter 21 Replacing a main unit 175

Warning: Leakage currents

You must disconnect the telephony and data networking cables from the system before disconnecting the power cord from a grounded outlet.

9Continue to the next step, “Removing the main unit”.

Removing the main unit

The method you use to remove the main unit depends on how the unit is mounted. Use one of the following procedures to remove the main unit:

•“To remove a rackmounted main unit”

•“To remove a wallmounted main unit”

•“To remove a desktop mounted main unit” on page 176

To remove a rackmounted main unit

1Ensure that all of the cables are removed from the main unit. If they are not, refer to “To disconnect the cables” on page 174.

2If there is a unit mounted to the 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.

3If the main unit has been secured to the rackmount shelf with screws, remove these screws from the bottom of the rackmount shelf.

4Slide the main unit forward until is disengages from the clips on the rackmount shelf.

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

6Continue to the next step, “Installing the new main unit” on page 176.

To remove a wallmounted main unit

1Ensure that all of the cables are removed from the main unit. If they are not, refer to “To disconnect the cables” on page 174.

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, “Installing the BCM50 unit on the wall” on page 84.

BCM50 Installation and Maintenance Guide