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    Preventing Electrostatic Discharge Damage to an Optical ILA

    Many hardware components are sensitive to damage from static electricity. Some components can be impaired by voltages as low as 30 V. You can easily generate potentially damaging static voltages whenever you handle plastic or foam packing material or if you move components across plastic or carpets. Observe the following guidelines to minimize the potential for electrostatic discharge (ESD) damage, which can cause intermittent or complete component failures:

    • Always use an ESD wrist strap or ankle strap, and make sure that it is in direct contact with your skin.

      Caution: For safety, periodically check the resistance value of the ESD strap. The measurement should be in the range of 1 through 10 Mohms.

    • When handling any component that has been removed from the chassis, verify that the equipment end of your ESD strap is attached to the ESD point on the chassis, which is shown in Figure 1.
    • Avoid contact between the component and your clothing. ESD voltages emitted from clothing can still damage components.
    • When removing or installing a component, always place it component-side up on an antistatic surface, in an antistatic card rack, or in an electrostatic bag (see Figure 2). If you are returning a component, place it in an electrostatic bag before packing it.

    Figure 1: Optical ILA FRU Panel

    Optical ILA FRU Panel
      1
    Grounding
      3
    Fan modules
      2
    ESD point
      4
    Power supplies

    Figure 2: Placing a Component into an Electrostatic Bag

    Placing a Component into
an Electrostatic Bag
     
     

    Modified: 2016-06-07