Removing/Installing Psus; Removing A Psu; Installing A Psu; Removing/Installing The Fan Module - 3Com MSR 50-40 ROUTER. Installation Manual

Removing/Installing PSUs

Removing a PSU

Figure 6-4 Remove a PSU
Step 1: Remove the power cord connected to the PSU and loosen the two captive screws fastening the
module panel.
Step 2: Hold the handle of the PSU and gently pull it out along the guides.
If you do not plan to replace the PSU soon, install a blank filler panel to ensure adequate ventilation and
prevent dust.

Installing a PSU

Step 1: Hold the handle of the PSU, gently push it into the chassis along the guides until it well touches
the power backplane inside the power slot.
Step 2: Fasten the two captive screws in the PSU panel.
Step 3: Check that the power switch on the panel is off.
Step 4: Plug one end of the power cord shipped with the router into the socket on the PSU and the other
end to the power source.
Step 5: Turn on the power switch and check that the RUN LED on the MPUF is ON.

Removing/Installing the Fan Module

The fan module is hot swappable and held in a vertical slot on the right side of the chassis.
6-3