Chapter 4 Maintenance and Upgrade Procedures for the ASA
Removing and Installing the Power Supply
Step 9 Use a tie wrap to secure the wires coming from the power supply to the rack so that the wires cannot be pulled from the power supply by casual contact. Make sure the tie wrap allows for some slack in the ground wire. Figure
Figure 4-25 Complete DC Secure Tie Wrap
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Lead wires secured with a tie wrap
Step 10 Remove the tape (if any) from the circuit breaker switch handle, and move the circuit breaker switch handle to the On position. The power supply indicators light up when power is supplied to the appliance.
Removing and Installing the DC Power Supply
Note This procedure applies only to the appliances with a removable DC power supply (ASA
To remove and install a DC power supply, perform the following steps:
Step 1 Make sure that the chassis ground is connected on the chassis before you begin installing the DC power supply, as described in “Working in an ESD Environment” section on page
Step 2 Turn off the circuit breaker to the power supply.
Step 3 At the back of the appliance, place the Standby switch into the Standby position.
Step 4 Move the
Step 5 If you are adding an additional power supply, from the back of the appliance, push the lever on the slot cover to the left to release it, grasp the handle of the slot cover, and pull it away from the chassis. (See Figure