Nortel Networks BCM200/400 - Manual (Page 242)

242 Chapter 20 Preparing hardware for maintenance or upgrades
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Figure 106 Base function tray replacement overview
Removing the base function tray
This procedure describes how to remove the base function tray to perform maintenance or
replacement activities.
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.
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.
Do a
software
shutdown
Perform BCM
maintenance setup
No
Yes
Yes
No
Yes
Remove the base
function tray
Replace a
card?
Replace
the base
function
tray?
Remove the
old card.
Install the
new card
See correct
replacement
procedure
No
Remove all cards.
Re-install all
cards
Insert the base
function tray
Restore unit to
operation
Check LEDs
Replace
different
component?
END