Installing Cisco RP-Series PDUsThis chapter contains the following sections:• Preparing to Install an RP-Series PDU, on page 1• Installing a Zero-U PDU, on page 1• Installing a 1RU or 2RU PDU, on page 6Preparing to Install an RP-Series PDUBefore you install a PDU, plan how to route the power cable. It can be routed through the bottom of the CiscoR42612 rack, through the two knockout cabling portholes on the top enclosure of the rack, or through thelarge opening with brushes at the rear of the top enclosure of the rack.Installing a Zero-U PDUThere are five models of PDUs that can be mounted vertically in a Cisco R42612 Rack. These PDUs can beinstalled on the PDU trays on both sides of the rack; the PDUs do no require any RU space, so they are alsoreferred to a zero-U PDUs.The Cisco R42612 rack can accommodate up to six zero-U PDUs. When servicing Cisco UCS servers, someproducts may require the temporary removal of cables to provide service space for rear-facing field replaceableunits (FRUs).NoteFor additional information on how to install a PDU, see the Eaton ePDU G3 Installation and ConnectivityQuick Start or the Eaton Enclosure Power Distribution Unit (ePDU) G3 - Operations Manual.The following table provides descriptions for these PDUs. For detailed specifications and illustrations, seePDU Specifications.Installing Cisco RP-Series PDUs1