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To access the card cage, do the following:
1. Ensure electrical power is disconnected from the unit and the environment is safe.
2. Unscrew and remove the front panel.
Remove the front panelFigure 4-17:
3. Unscrew and remove the switch panel or LOI.
Remove the switch panel or LOIFigure 4-18:
The PCBs are located in the card cage.
Operation and maintenance
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