A
Note- Hold e ach power cable plug, and then insert it straight into the socket.
Note- Ensure t hat the power cables are correctly connected and secure.
(Ain th e figure) counterclockwise.
Figure29-6 Powercable connector for three-phase power feed
29.5 Installing the Dedicated PowerDistribution Unit
Thissectio n describes the procedure for installing a PDU.
1. Connect all the power cables to the rear of the PDU.
-Fora single-phase power feed:
Connectfour power cables to the PDU.
-For a three-phase power feed
Connect three power cables to the PDU. Install each power cable by holding its
plug, and then secure it by turning the ring clockwise.
2. Install the PDU into the rack for expanded connection.
3. Install the four PDUscrews.
29.6 Restoring the System
Thissectio n describes the procedure for restoring the system after installing the PDU.
Therestoration procedure differs depending on the maintenance type as follows:
■Active/Coldmaintenance
Chapter29 Maintainingthe Dedicated Power Distribution Unit Mounted on the Rack for Expanded Connection 461