United States
Q
What are Juniper Power Supplies?
A
Juniper Power Supplies deliver regulated DC power for Juniper networking devices, ensuring reliable operation and optimal performance across routers, switches, and firewalls.
Q
Which models of Juniper Power Supplies are available?
A
Juniper offers fixed and modular power supplies ranging from 150W to 1800W, including AC and DC options, to meet diverse power and redundancy requirements.
Q
How do I determine the compatible power supply for my Juniper device?
A
Refer to your device datasheet or Juniper’s compatibility matrix to identify supported power supply models by chassis and series for accurate matching.
Q
Can I hot-swap Juniper Power Supplies without downtime?
A
Yes. Most Juniper modular power supplies are hot-swappable, enabling field replacement without interrupting active network traffic when redundancy is configured.
Q
What is redundant power supply configuration?
A
Redundant configuration uses two or more power supplies in parallel; if one fails, the system continues operation without service interruption.
Q
How do I install a Juniper Power Supply?
A
Power down the device, slide the power supply into the designated bay until it clicks, connect the AC or DC power cord, and then power on following Juniper’s installation guide.
Q
What warranty covers Juniper Power Supplies?
A
Juniper Power Supplies carry a limited lifetime warranty against manufacturing defects when installed on supported Juniper hardware, subject to standard terms and conditions.
Q
Where can I purchase genuine Juniper Power Supplies?
A
Purchase from Juniper-authorized resellers, distributors, or the official Juniper Networks online store to guarantee authenticity and support eligibility.
Q
Can I use third-party power supplies with Juniper devices?
A
Juniper recommends using only certified Juniper power supplies; third-party units may void warranty, reduce performance, or cause compatibility issues.
Q
How do I troubleshoot a failed Juniper Power Supply?
A
Check status LEDs, verify proper power cord connection, inspect the AC source, and replace the module if the LED remains off or displays a fault code.
Q
Are Juniper Power Supplies energy-efficient?
A
Yes. Juniper AC power supplies comply with 80 PLUS standards, delivering up to 90% efficiency to reduce energy consumption and operational costs.
Q
What are the environmental requirements for Juniper Power Supplies?
A
Operate within 0°C to 40°C temperature range and 5% to 90% non-condensing humidity. Ensure proper airflow and ventilation per device specifications.
Q
Can I mix different wattage power supplies in the same chassis?
A
You can mix identical AC or DC units of varying wattages only if the chassis and firmware support heterogeneous power modules; consult Juniper documentation for your platform.
Q
How do I upgrade a Juniper Power Supply for higher capacity?
A
Power down the device, remove the existing module, install the higher-capacity supply, then power on and verify via CLI or the J-Web interface that the new unit is recognized.
Q
What safety precautions should I follow when handling Juniper Power Supplies?
A
Disconnect all power sources before servicing, wear ESD protection, and follow Juniper’s safety guidelines to prevent electric shock and equipment damage.
Q
How can I monitor the health of my Juniper Power Supplies?
A
Use Junos OS CLI commands or J-Web interface to view power supply status, voltage output, and alarm logs in real time for proactive maintenance.
