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1. Replacing a Control Module

Hardware Owner's Manual

3. Replace the control module that is now secondary (was active before the restart). (As described in

the Secondary Control Module on page

Replacing Both Control Modules

Use the following procedure to replace both control modules in the array:

1. Replace the secondary control module first. (As described in

page

25.)

2. Use the "restart" command to make the active control module secondary.

3. Replace the control module that is now secondary (was active before the restart). (As described in

the Secondary Control Module on page

Removing a Control Module

Before removing a control module:

•

Review the information at the beginning of

•

Attach an electrostatic wrist strap.

•

Disconnect any serial or network cables attached to the control module. If there are open interface con-

nectors on the other control module, re-attach the network cables to the other control module to provide unin-

terrupted data access.

Caution:

Do not remove an active control module.

To remove a control module:

1. Push down on the orange release button (callout 1).

2. While holding the orange button (callout 1) down, swing the black release latch (callout 2) towards you. This

starts to eject the control module from the array. Remove the control module.

The following illustration provides an example of control module removal.

25.)

Replacing a Control Module on page

See "Protecting Hardware " on page

3 Maintaining Control Modules

Replacing the Secondary Control Module on

24.

Replacing