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Removing the Power Supplies

The power supplies are located at the rear of the chassis. Each AC power supply weighs approximately 5.0 lb (2.3 kg) and each DC power supply weighs approximately 3.8 lb (1.7 kg).

Remove the leftmost power supply first and then work your way to the right. To remove the AC or DC power supplies, follow this procedure for each power supply (see Figure 71):

  1. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and connect the strap to one of the ESD points on the chassis. For more information about ESD, see Preventing Electrostatic Discharge Damage.
  2. For an AC-powered services gateway, switch the AC switch on the power supply slot to the off position (O). For a DC-powered services gateway, switch the circuit breaker on the power supply to the OFF position.

    We recommend this even though the power supplies are not connected to power sources.

  3. Pull the power supply straight out of the chassis.

Figure 71: Removing a Power Supply Before Installing the Services Gateway

Image g004263.gif

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