Nortel Networks BCM200, 400 4.0 To remove the base function tray, Remove the base function tray

Chapter 20 Preparing hardware for maintenance or upgrades 235

To remove the base function tray

1Shut down the system (see “Performing a system shutdown” on page 231).

2Disconnect the BCM system from the AC power outlet.

3Disconnect any connectors from the front of the base function tray.

4Attach one end of the grounding strap to your wrist and the other end to a grounded metal surface.

5Remove the main unit top cover. Refer to “Removing the main unit top cover” on page 244.

6Remove the base function tray latch screws and place them in a safe location.

7Move the base function tray latches to the unlocked position. See Figure 106.

8Grasp the base function tray latches and partially remove the base function tray from the main unit. Do not exert force on the DS30 cables or connectors.

9Disconnect the DS30 cable connectors from the media services card. If necessary, remove the WAN card to access the DS30 cables, see “To remove the WAN card” on page 301.

Figure 106 Remove the base function tray

1

Unfasten base function tray latch screws

Disconnect DS30 cables

4 from the MSC

2

3 Slide base function tray partially away from the main unit

Move base function tray latches to the unlocked position

10Remove the base function tray completely from the main unit. Remove the base function tray carefully to prevent damage to the cables and connectors.

11Place the base function tray on a flat, clean, and static-free surface.

BCM200/400 4.0 Installation and Maintenance Guide