Replacing Memory Bar - H3C MSR-20-21 ROUTER Installation Manual

Figure 6-9 Press the spring button to make the card spring out
Do not remove the card when the router is booting or the LED is blinking to avoid hardware damage.

Replacing Memory Bar

This section describes how to replace a memory bar. See the following flow.
Figure 6-10 Memory bar maintenance flow
Start Start
Prepare tools Prepare tools
Turn off the power switch Turn off the power switch
Locate the memory bar Locate the memory bar
on the main board on the main board
Remove the memory bar Remove the memory bar
Install the memory bar Install the memory bar
End End
Memory bars are main board components that you can expand or upgrade as needed. Generally, you
need to do that in the following situations:
More memory is required for the updated application program, maintaining a large routing table, or
processing tasks that consume large memory.
The existing memory bar is damaged.
6-5