Description:  The JPSU-850W-DC-AFO DC power supply unit from Juniper Networks works in association with the QFX5100-96S Ethernet switch. The DC PSU renders an output power rating of 850 W. The product portrays front-to-back airflow direction.

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Warranty: 1 year Networking-Hardware Warranty Included
Shipping: Worldwide shipping via DHL, UPS, Fedex, and TNT
Repairs: We offer repair service for the JPSU-850W-DC-AFO.
Exchange: Exchange credit for your defective unit available.

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About JPSU-850W-DC-AFO

The JPSU-850W-DC-AFO is a DC redundant power supply unit from Juniper Networks. The PSU supports hot-plug operation that prevents interruption of functioning of the associated QFX5100-96S Ethernet switch. The product supports an operating voltage ranging between 36 VDC and 72 VDC. Its Ethernet switch offers support for multi-chassis link aggregation, static routing and traffic mirroring. The power supply unit has a power supply handle in Juniper Azure Blue color to indicate the direction of airflow. The product is capable of delivering an output power of 850 W. The PSU needs to be inserted in its dedicated slot on the panel of the switch. Its Ethernet switch features an operating relative humidity of 5% to 90% without condensation. The Ethernet switch using the power supply unit incorporates a wide range of Layer 2 and Layer 3 features like MAC address filtering, port-based VLAN, static routing and more. The product is known for its high-efficiency and has dual feeds for power resiliency. The PSU encompasses an ejector lever, an ESD grounding point and a terminal block. The product has four terminals to connect the related positive and negative DC power source cables. Its Ethernet switch has 4,000 inbuilt firewall filters. The switch also has the ability to detect uplink failures and sub-second bidirectional forwarding.


Technical specifications

The JPSU-850W-DC-AFO is a DC type power supply.

850 W

The JPSU-850W-DC-AFO can be used with a QFX5100-96S Ethernet switch.


The JPSU-850W-DC-AFO delivers 850 W output power.

QFX5100-96S Ethernet switch

The JPSU-850W-DC-AFO has an operating DC voltage of 36 VDC to 72 VDC

Juniper Azure Blue

Yes, the JPSU-850W-DC-AFO can be installed without turning off the Ethernet switch.

DC Redundant Power Supply


50/60 Hz

-40C to 70C (Ethernet Switch)

1 RJ-45 and 1 SFP (Ethernet Switch)

Yes (Ethernet Switch)



Plug-in form factor 850 W output power Hot-plug operation Compatible with QFX5100-96S Ethernet switch 36 VDC to 72 VDC operating voltage


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