H7291 Power Supply

This document provides step-by-step instructions for installing an H7291 power supply unit into an AlphaServer 4000 or 4100 system. It covers the necessary preparation, including shutting down the system and exposing the system drawer in either a pedestal or cabinet configuration. Detailed instructions are provided for removing the power section cover, installing the power supply in the correct sequence, attaching required cables (current sharing and cable harness), and securing the unit. The document concludes with steps to verify the installation using the SRM 'show power' command and checking the LEDs on the power control module.