IBM 9306 Hardware Maintenance Manual page 161

Figure 57. Installing the Rack PDU on the vertical mounting plate
3. If you have a second M/PDU device to install, install it on the vertical mounting
plate with four M3x5 screws that come with the second device.
Figure 58. Installing a second Rack PDU
4. Install the vertical mounting plate 2 in the side of your rack cabinet with four
M6 screws and nuts that come with this option. Make sure that the
three-connector side of the Rack PDU is facing the rear of your rack cabinet,
and leave room between the vertical mounting plate and the rear EIA mounting
flanges for the cable-management bracket 1 .
Installing Optional Devices
151