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Mini-tower — back panel view – Dell OptiPlex 9020 (Mid 2013) User Manual

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11. power-supply diagnostic button
12. power connector
13. back panel connectors
14. expansion-card slots (4)

15. security-cable slot
16. padlock ring

Mini-Tower — Back Panel View

Figure 2. Back Panel view of Mini-Tower

1. mouse connector
2. network link-integrity light
3. network connector
4. network activity light
5. USB 2.0 connectors (2)
6. serial connector
7. line-out connector

8. keyboard connector
9. USB 2.0 connectors (2)

10. DisplayPort connectors (2)
11. USB 3.0 connectors (2)
12. VGA connector
13. line-in/microphone connector

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