Chassis Intrusion Switch - Intergraph InterServe 90 System Reference Manual

5. Connect the key switch cables to the connectors on the system board.
6. Install the face panel with the replaced keyswitch.
To replace an LED:
1. Open the face panel. See Chapter 1, "Accessing the Components," for details.
2. Note the locations of the two LEDs on the switch mounting plate.
3. Remove the switch mounting plate by removing the two screws attaching the plate to the
chassis.
4. Disconnect the LED cables from the motherboard. Note the position of the cables before you
disconnect them.
5. Remove the LED from its position on the mounting plate as shown in the previous figure.
6. Route the new LED cable through the chassis and connect it to the appropriate connector on
the system board.
7. Press the LED into its mount on the switch plate.
8. Reattach the mounting plate to the chassis.
9. Close the face panel as described in Chapter 1, "Accessing the Components."

Chassis Intrusion Switch

One chassis intrusion switch is mounted inside the disk section front access door and another is
mounted inside the top cover.
To replace the chassis intrusion switch:
1. Disconnect the wires from the switch. Note the position of each wire before removal.
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