Juniper QFX Series User Manual

c. Tighten the screws on the power supply terminals until snug using the screwdriver.
Do not overtighten—apply between 5 in-lb (0.56 Nm) and 6 in-lb (0.68 Nm) of
torque to the screws.
Figure 78: DC Power Supply Faceplate for a QFX3500 Device
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1
678
5
2
3
4
5—1— ESD grounding pointFeed A input terminals
6—2— Fault LEDFeed B input terminals
7—3— Output LEDTerminal block
8—4— Input LEDEjector lever
Figure 79: Securing Ring Lugs to the Terminals on the DC Power Supply
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8. Replace the terminal block cover.
9. Close the input circuit breaker.
10. Verify that the IN and OUT LEDs on the power supply are lit green and are on steadily.
Related
Documentation
• DC Power Supply for a QFX3500 Device on page 75
• DC Power Supply LEDs on a QFX3500 Device on page 403
Copyright © 2012, Juniper Networks, Inc.270
QFX3000 Hardware Documentation

Juniper QFX Series Specifications

General

Category	Switch
Series	QFX
Form Factor	1U, 2U, and modular chassis options
Power Supply	Redundant, hot-swappable power supplies
Cooling	hot-swappable fans
Virtual Chassis	Supported on certain models
Typical Use	Data center, cloud
Operating System	Junos OS
Management	CLI
Key Features	High performance, low latency, automation
Latency	Sub-microsecond latency
Port Density	Varies by model (e.g., QFX5100: up to 48x10GbE + 6x40GbE)