Nortel Networks BCM50 - Manual (Page 185)

Chapter 23 Replacing an expansion unit 185
Installation and Maintenance Guide
To remove a rack-mounted expansion unit
1 Ensure you remove all the cables from the expansion unit.
If necessary, see the procedure
To disconnect the expansion unit cables on page 184.
2 If a unit is mounted to the top of the expansion unit, slide that unit forward until it disengages
from the clips on the expansion unit. Lift the unit off the top of the expansion unit.
3 If the expansion unit is mounted on top of another unit, slide the expansion unit forward until it
disengages from the clips of the other unit. Go to step 6.
If the expansion unit is not mounted on top of another unit, continue to the next step.
4 If the expansion unit is secured to the rack-mount shelf with screws, remove these screws from
the bottom of the rack-mount shelf.
5 Slide the expansion unit forward until is disengages from the clips on the rack-mount shelf.
6 Lift the expansion unit off of the rack-mount shelf or other unit and set it on a flat, clean,
static-free surface.
7 Continue with the procedure To remove the MBM on page 180.
To remove a wall-mounted expansion unit
1 Ensure you remove all the cables from the expansion unit.
If necessary, see the procedure
To disconnect the expansion unit cables on page 184.
2 Lift the expansion unit until it disengages from the clips on the wall-mount bracket.
3 Pull out the expansion unit and move it away from the wall-mount bracket.
4 Set the expansion unit on a flat, clean, static-free surface.
5 Proceed to Removing the MBM on page 186.
To remove a desktop-mounted expansion unit
1 Ensure you remove all the cables from the expansion unit.
If necessary, see the procedure
To disconnect the expansion unit cables on page 184.
2 If a unit is mounted to the top of the expansion unit, slide that unit forward until it disengages
from the clips on the expansion unit. Lift the unit off the top of the expansion unit and set it on
a flat, clean, static-free surface.
3 If the expansion unit is mounted on top of another unit, slide the expansion unit forward until it
disengages from the clips of the other unit.
4 Lift the expansion unit off of the table or other unit and set it on a flat, clean, static-free
surface.
5 Proceed to Removing the MBM on page 186.