Nortel Networks BCM200/400 - Manual (Page 244)

244 Chapter 20 Preparing hardware for maintenance or upgrades
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To install the base function tray
1 Disconnect the BCM system from the AC power outlet.
2 Attach one end of the grounding strap to your wrist and the other end to a grounded metal
surface.
3 Move the base function tray latches to the unlocked position.
4 Position the base function tray in the correct main unit bay.
5 Partially insert the base function tray into the main unit (see Figure 108 ).
6 Connect the DS30 connectors to the MSC. If necessary, install the WAN card (see “Installing
the WAN card” on page 310 ).
7 If required, install the base function tray bezel (see “To install the base function tray bezel” on
page 246 ).
8 Push the base function tray completely into the main unit. Be careful not to crimp the DS30
cables.
9 Move the base function tray latches to the locked position.
10 Install the base function tray latch screws.
Warning: Protect the hardware components against damage from electrostatic discharge.
Always wear a grounded wrist strap before you handle components. Always place the
components in a static-free container or work area.
Warning: Use care when removing or inserting the base function tray. Do not forcefully
remove or insert the base function tray because you could damage or stretch the cables.