Nortel Networks BCM50 - Manual (Page 191)

Chapter 24 Replacing an internal component 191
Installation and Maintenance Guide
To open the main unit case
1 Attach one end of a grounding strap to your wrist and the other end to a grounded metal
surface.
2 Turn the main unit over so that the bottom of the unit is facing up.
3 Remove the three case screws from the back of the unit. For the location of the screws, see the
figure
BCM50 case screws on page 191.
Figure 78 BCM50 case screws
4 Turn the BCM50 unit over so that the top of the unit is facing up.
5 While holding the bottom of the BCM50 case, slide the top of the case back to disengage the
locking clips. See the figure
Remove the top of the case on page 192.
Danger: Electrical shock warning.
Disconnect the power cord, telephone cables, and network cables before opening the
BCM50 main unit.
screws