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QFX5200 DC Power Supply
The power supplies in QFX5200 switches (see Figure 1) are hot-removable and hot-insertable field-replaceable units (FRUs). You can install the power supplies without powering off the switch or disrupting the switching function.
The DC power supply in QFX5200 is 850 W with dual feeds for power resiliency.
Figure 1: DC Power Supply for QFX5200 Devices
1 — Terminal block | 3 — Ejector lever |
2 — ESD grounding point | 4 — Handle |
 | Note: The DC power supply in the switch has four terminals labeled V-, V-, V+, and V+ (see Figure 2) for connecting DC power source cables labeled positive (+) and negative (–). |
Figure 2: DC Power Supply Faceplate in QFX5200 Devices
1 — Shunt negative input terminals (-48V) | 5 — ESD grounding point |
2 — Shunt positive input terminals (+RTN) | 6 — Fault LED |
3 — Terminal block | 7 — Output LED |
4 — Ejector lever | 8 — Input LED |
To avoid electrical injury, carefully follow instructions in Installing a Power Supply in a QFX5200 and Removing a Power Supply from a QFX5200.
