Related conceptsSupported PDU power cordsFind out which power distribution unit (PDU) power cords are supported for your system.Planning for cablesLearn how to develop plans for cabling your server and devices.Cable managementThese guidelines ensure that your system and its cables have optimal clearance for maintenance andother operations. The guidelines also provide guidance in correctly cabling your system and using theappropriate cables.The following guidelines provide cabling information for installing, migrating, relocating, or upgrading yoursystem:• Position drawers in racks to allow enough space, where possible, for cable routing on the bottom andtop of the rack, and between drawers.• Shorter drawers must not be placed between longer drawers in the rack (for example, placing a 19-inchdrawer between two 24-inch drawers).• When a specific cable plugging sequence is required, for example, for concurrent maintenance(symmetric multiprocessing cables), label the cables and note the sequence order.• To facilitate cable routing, install cables in the following order:Site and hardware planning 107