Figure 23: DC Power Supply Faceplate
5—1— ESD grounding pointShunt positive input terminals
6—2— Fault LEDShunt negative input terminals
7—3— Output LEDTerminal block
8—4— Input LEDEjector lever
CAUTION: The V+ terminals are shunted internally together, as are the V-
terminals. The same polarity terminal can be wired together from the same
source to provide an additional current path in a higher power chassis. Do
not connect the terminals to different sources.
The power supply provides FRU-to-port or port-to-FRU airflow depending on the SKU
you purchase. The power supplies have labels and arrows on the handles that depict the
direction of airflow (see Figure 24 on page 39). The label AFI denotes FRU-to-portairflow.
AFO denotes port-to FRU airflow.
Copyright © 2017, Juniper Networks, Inc.38
QFX3500 Device Hardware Documentation
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