Nortel Networks 400 4.0 User Manual
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Chapter 20 Preparing hardware for maintenance or upgrades
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Figure 113 Install the advanced function tray
Removing and installing the main unit top cover
Use the procedures in this section to either remove or install the top cover of the main unit. You
must remove the top cover to access the cabling or hardware components, such as the standard
power supply, I/O card, or backplanes.
must remove the top cover to access the cabling or hardware components, such as the standard
power supply, I/O card, or backplanes.
Removing the main unit top cover
Use this procedure to remove the top cover of the BCM200 or BCM400 main unit. This procedure
assumes that you intend to perform maintenance activities. Do not operate the BCM main unit
with the top cover removed. Do not leave the top cover removed for extended periods of time.
assumes that you intend to perform maintenance activities. Do not operate the BCM main unit
with the top cover removed. Do not leave the top cover removed for extended periods of time.
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.
Always wear a grounded wrist strap before you handle components. Always place the
components in a static-free container or work area.
Install advanced function
tray latch screws
tray latch screws
5
Insert advanced
function tray
partially
function tray
partially
into the
main unit
1
2
Connect IDE cable to I/O card
3
4
Insert base function tray completely. Move
advanced function tray latches to the locked
position
advanced function tray latches to the locked
position
Connect power cables to the hard
disk or RAID card
disk or RAID card