PS4000 Hardware Maintenance Maintaining Control Modules
3–9
Figure 3-5: Recommended Network Configuration
Control Module Handling Requirements
Follow these control module handling requirements:
• Protect control modules from electrostatic discharge. Always wear an
electrostatic wrist strap when handling a control module, as described in
Using an Electrostatic Wrist Strap on page 1-5. When not installed, store a
control module in an antistatic bag or place it on a surface protected from
electrostatic discharge.
• Do not remove a control module from an array while the control modules
are synchronizing. When synchronization completes, a console message will
appear. Also, the ACT LED on the secondary control module will be orange.
• Do not leave a control module slot empty. In an array with one control
module, always attach a blank face plate to the empty control module slot.
• Store control modules properly. Store a control module in its original
packaging or in an antistatic bag or place the control module on a surface
protected from electrostatic discharge.
Removing a Control Module
If a control module fails, remove it and replace it with a functioning control
module. Do not remove a failed control module until you are ready to replace it.
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