Figure 31: Dc Power Supply In Qfx5100 Devices; Figure 32: Dc Power Supply For Qfx5100-96S Devices - Juniper QFX5100 Hardware Manual

QFX5100 Switch Hardware Guide
50
The DC power supply in 1 U product SKUs of QFX5100 is 650 W with dual feeds for power
resiliency. The DC power supply in the 2 U product SKU, QFX5100-96S, is 850 W with
dual feeds for power resiliency. Both power supplies have a similar design. See
Figure 31 on page 50 for an example of the 1 U design and
example of the 2 U power supply.

Figure 31: DC Power Supply in QFX5100 Devices

1— Terminal block
2— ESD grounding point

Figure 32: DC Power Supply for QFX5100-96S Devices

1— Terminal block
2— ESD grounding point
NOTE: The DC power supply in the switch has four terminals labeled V-, V-,
V+, and V+ (see
labeled positive (+) and negative (–).
3— Security latch
4— Handle
3— Security latch
4— Handle
Figure 33 on page 51) for connecting DC power source cables
Figure 32 on page 50 for an
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