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Removal and replacement procedures 30
Electrostatic discharge information
An electrostatic discharge (ESD) can damage static-sensitive devices or microcircuitry. Proper
packaging and grounding techniques are necessary precautions to prevent damage. To prevent
electrostatic damage, observe the following precautions:
• Transport products in static-safe containers such as conductive tubes, bags, or boxes.
• Keep electrostatic-sensitive parts in their containers until they arrive at static-free stations.
• Cover workstations with approved static-dissipating material. Use a wrist strap connected to the
work surface, and properly grounded (earthed) tools and equipment.
• Keep work area free of nonconductive materials, such as ordinary plastic assembly aids and
foam packing.
• Make sure that you are always properly grounded (earthed) when touching a static-sensitive
component or assembly.
• Avoid touching pins, leads, or circuitry.
• Always place drives with the Printed Circuit Board (PCB) assembly-side down.
• Use conductive field service tools.
Pre-installation procedure
Perform the steps below before you open the server or before you remove or replace any component.
1. Perform data backup.
2. Turn off the server and all the peripherals connected to it.
3. Unplug all cables from the power outlets to avoid exposure to high energy levels that may cause
burns when parts are short circuited by metal objects such as tools or jewelry.
4. If necessary, label each cable to expedite reassembly.
5. Disconnect all telecommunication cables to avoid exposure to shock hazard from ringing
voltages.
6. Remove the server from the rack.
7. Open the server according to the instructions described in the “Top cover” section on page 33.
8. Follow the ESD precautions listed previously in this chapter when handling any hardware
component.
IMPORTANT: To streamline the configuration process, read through the entire
installation/removal procedure first and make sure you understand it before you begin.