146 Hardware Maintenance Manual: IBM PC Server/En terprise Racks

6. Install the 1U blank filler panel 1 on the front of the rack cabinet at the same U
level as the Rack PDU. Use two M 6 scre w s that come with this optio n.
Proceed to “Cabling your PDUs” on page 148 for instructions on how to cable
your Rack PDU.
Installing two devices horizontally
Use the following procedure to mount two Rack PDUs horizontally in your rack
cabinet:
1. Refer to the documentation that comes wi th your rack cabinet for additional
information.
Notes:
a. Removing the rack doors and side panels might make your Rack PDU
installation easier.
b. Use clip nuts for rack cabine ts with round holes; use cage nuts for rack
cabinets with square holes.
2. Verify that the circuit breaker switch is in the Off position before installing your
Rack PDU.
3. Attach a dual-device attachment bracket 6 to the right side of one of the Rack
PDUs with two M3x5 screws; th en , atta ch anot he r du al-d evic e at tac hme nt br ac ket
5 to the left side of the other Rack PDU with two M3x5 screws.
Notes:
a. When you install two Rack PDUs next to ea ch other, you will need some parts
from both options.
b. Turn the second dual-device attachment bracket 5 so that the threaded
holes are on the opposite side of the device as the holes on the other
attachment bracket 6.
Cage
nuts
Cage
nuts
Clip
nuts