Technical data

Field Replaceable Unit Removal and Replacement

14-Slot Shelf Chassis and Backplane

Chapter 1

Figure 1-18 14-Slot Shelf, Rear View (Blade Cage Empty)

Step 1. Shut down normal operation of the HP bh5700ATCA 14-Slot Blade Server.

Step 2. Disconnect/disable all external input power sources to both PEMs.

WARNING Electrical Shock Hazard. Power is always present at the PEM power terminals

unless the external power source is turned off. Disable/disconnect all power domain

circuit breakers in the OFF (O) position before completing any of the following steps.

Failure to follow electrical safety precautions may result in personal injury.

Step 3. Record all current console and Ethernet cable hookup configurations for all installed blades and the

Shelf, and set aside as a reference for configuring the replacement Shelf.

Step 4. Disconnect all external power supply input cables from the PEMs and protective earth ground

cables from the 14-Slot Shelf chassis.