Connecting A Dc Power Source - IBM 7014-T42 User Manual

Installing the ac outlet-mounting plate without ac outlets:
If you choose to install an outlet plate without the outlets, use the procedure in this section to perform
this task.
If you do not want any ac outlets installed on the front or rear ac outlet-mounting plate, perform only
"Attaching the rack to the concrete floor beneath a raised floor" on page 9 through "Connecting the
power distribution system" on page 13.
For instructions to install front or rear ac outlet-mounting plates, see "Installing the ac outlet-mounting
plates with ac outlets" on page 14.

Connecting a dc power source:

Some rack models (such as the 7014-T00) can support a dc power configuration for systems that require
dc power. If you decide to connect a dc power source to the rack, you can use the procedure in this
section to perform this task. This section also includes illustrations of the related hardware components
and shows how these components relate to each other.
Note: The customer is responsible for providing and connecting the -48 V dc power source and -48 V dc
power return cables from the customer's source -48 V dc to the bus bars in the power distribution panel.
The customer is also responsible for connecting the ground cable to the rack frame. This procedure
provides information about accessing the power distribution panel.
1. Remove the six mounting screws from the top cover of the dc power distribution panel and remove
the top cover.
2. If they are installed, remove the four screws from the cable channel cover.
3. Remove the cable channel cover.
1 Cable channel cover retaining screw
2 Cable channel cover
3 Power distribution panel top cover
retaining screws
5 Shield
6 Power distribution panel
Racks and rack features
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