3Com LSBM1SRP1M1 Installation Manual page 83

Installation Manual
H3C S9500 Series Routing Switches
Figure 5-1 Remove the PSU
II. Removing NEPS3500-A
Follow these steps to remove NEPS3500-A:
1) Remove the 1800 W sub-PSUs.
2) Remove the NEPS3500-A enclosure.
Table 5-4 Procedure for removing NEPS3500-A
Step
Remove 1800
W sub-PSUs
Remove the
AC power
enclosure
Figure 5-2 Remove the 1800W sub-PSU
1) Press down the sub-PSU lever so that the sub-module is
separated from the backplane (refer to Figure 5-2).
2) Hold the handle of the sub-PSU with one hand and the
bottom with the other hand, and gently pull the sub-PSU out
of the chassis along the guide rails.
1) Move the power switch on the PSU to the OFF position if it is
in the ON position.
2) Remove the bail latch and unplug the power cord.
3) Remove the captive screws on the both sides of the PSU
panel with a Phillips screwdriver.
4) Hold the handle on the PSU enclosure and gently pull the
PSU enclosure out of the chassis along the guide rails.
5-5
Chapter 5 Switch Monitoring and Maintenance
Sub-step