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Installation and initialization of the DPU require attention to the mechanical attributes, power specification, and precautions for electronic equipment.

Safety Warnings

Safety warnings are provided here in the English language. 

Please observe all safety warnings to avoid injury and prevent damage to system components. Note that not all warnings are relevant to all models.

Note that not all warnings are relevant to all models.

General Installation Instructions
Read all installation instructions before connecting the equipment to the power source.

Jewelry Removal Warning
Before you install or remove equipment that is connected to power lines, remove jewelry such as bracelets, necklaces, rings, watches, and so on. Metal objects heat up when connected to power and ground and can meltdown, causing serious burns and/or welding the metal object to the terminals.

This equipment should not be operated in an area with an ambient temperature exceed­ing the maximum recommended: 55°C (131°F).  An airflow of 200LFM at this maximum ambient temperature is required for HCA cards and NICs. To guarantee proper airflow, allow at least 8cm (3 inches) of clearance around the ventila­tion openings.

During Lightning - Electrical Hazard
During periods of lightning activity, do not work on the equipment or connect or dis­connect cables.

Copper Cable Connecting/Disconnecting
Some copper cables are heavy and not flexible, as such, they should be carefully attached to or detached from the connectors. Refer to the cable manufacturer for spe­cial warnings and instructions.

Equipment Installation
This equipment should be installed, replaced, or serviced only by trained and qualified personnel.

Equipment Disposal
The disposal of this equipment should be in accordance to all national laws and regula­tions.

Local and National Electrical Codes
This equipment should be installed in compliance with local and national electrical codes.

 Hazardous Radiation Exposure

    • Caution – Use of controls or adjustment or performance of procedures other than those specified herein may result in hazardous radiation exposure.For products with optical ports.
    • CLASS 1 LASER PRODUCT and reference to the most recent laser standards:
      IEC 60 825-1:1993 + A1:1997 + A2:2001 and EN 60825-1:1994+A1:1996+ A2:20

Installation Procedure Overview

The installation procedure of DPU involves the following steps:

StepProcedureDirect Link


Check the system’s requirements.

Refer to System Requirements

2Pay attention to the airflow consideration within the host systemRefer to Airflow Requirements


Follow the safety precautions

Refer to Safety Precautions


Unpack the package

Refer to Unpacking

5Follow the pre-installation checklistRefer to Pre-Installation Checklist
7Install the DPU according to the form-factor you have purchased. Refer to DPU Installation


Connect cables or modules to the DPU

Refer to Cables and Modules Installation


Power-up the DPU

Refer to DPU Power-Up Instructions

System Requirements

Hardware Requirements

Unless otherwise specified, products are designed to work in an environmentally controlled data center with low levels of gaseous and dust (particulate) contamination.

The operating environment should meet severity level G1 as per ISA 71.04 for gaseous contamination and ISO 14644-1 class 8 for cleanliness level.

The below table lists the motherboard and power supply requirements per DPU series

FHHL DPUsE-Series: A minimum of 75W system power supply through the PCIe x16 interface (Relevant for 900-9D3B4-00EN-EA0 and 900-9D3B4-00PN-EA0)
P-Series: Require a supplementary 8-pin ATX power supply connectivity available through the external power supply connector (Relevant for OPNs: 900-9D3B6-00CV-AA0, 900-9D3B6-00SV-AA0, 900-9D3B6-00CC-AA0, 900-9D3B6-00SC-AA0, 900-9D3B6-00CN-AB0 and 900-9D3B6-00SN-AB0)

Airflow Requirements

DPU is offered with one airflow direction: from the heatsink to the network ports. 

Any use of the product in the opposite airflow direction (from network ports to heatsink) must be validated thermally to ensure proper cooling of the product.

Please refer to the Specifications section for airflow numbers per DPU model.

Software Requirements

  • See System Requirements section under the Introduction section.
  • Software Stacks - The DPU is shipped with Linux based Operating System burned on it which includes all needed drivers. For more information, please refer to the Software User Manual.

Safety Precautions

The DPU being installed in a system that operates with voltages that can be lethal. Before opening the case of the system, observe the following precautions to avoid injury and prevent damage to system components.

  • Remove any metallic objects from your hands and wrists.
  • Make sure to use only insulated tools.
  • Verify that the system is powered off and is unplugged.
  • It is strongly recommended to use an ESD strap or other antistatic devices.


Check against the package contents list that all the parts have been sent. Check the parts for visible damage that may have occurred during shipping. Please note that the DPUs must be placed on an antistatic surface. 

Please note that if the DPU is removed hastily from the antistatic bag, the plastic ziplock may harm the EMI fingers on the networking connector. Carefully remove the DPU from the antistatic bag to avoid damaging the EMI fingers.

For package contents, please refer to Package Contents.

Pre-Installation Checklist

  1. Verify that your system meets the hardware and software requirements stated above.

  2. Shut down your system if active.
    Turn off the power to the system, and disconnect the power cord. Refer to the system documentation for instructions. Before you install the DPU, make sure that the system is disconnected from power.

Installation Instructions

This section provides detailed instructions on how to install your DPU in a system.

Choose the installation instructions according to the DPU configuration you would like to use.

OPNsInstallation Instructions

All DPUs

PCIe x16 DPUs Installation Instructions


PCIe Extension Option (2x PCIe x16) Installation Instructions

Cables and Modules

Networking Cable Installation 

  1. All cables can be inserted or removed with the unit powered on.
  2. To insert a cable, press the connector into the port receptacle until the connector is firmly seated.
    1. Support the weight of the cable before connecting the cable to the DPU. Do this by using a cable holder or tying the cable to the rack.
    2. Determine the correct orientation of the connector to the DPU before inserting the connector. Do not try and insert the connector upside down. This may damage the DPU.
    3. Insert the connector into the DPU. Be careful to insert the connector straight into the cage. Do not apply any torque, up or down, to the connector cage in the DPU.
    4. Make sure that the connector locks in place.

      When installing cables make sure that the latches engage.

      Always install and remove cables by pushing or pulling the cable and connector in a straight line with the DPU.

  3. After inserting a cable into a port, the Green LED indicator will light when the physical connection is established (that is, when the unit is powered on and a cable is plugged into the port with the other end of the connector plugged into a functioning port). See Networking Ports LEDs interface under the Supported Interfaces section.
  4. After plugging in a cable, lock the connector using the latching mechanism particular to the cable vendor. When data is being transferred the Green LED will blink.
  5. Make sure not to impede the air exhaust flow through the ventilation holes. Use cable lengths that allow for routing horizontally around to the side of the chassis before bending upward or downward in the rack.

  6. To remove a cable, disengage the locks and slowly pull the connector away from the port receptacle. LED indicator will turn off when the cable is unseated.

DPU Power-Up Instructions

To power-up the DPU, power the ATX power supply and the PCIe goldfinger interface simultaneouslyFailure to do so may harm the DPU.

In all DPU operation states, it is important to turn on or off both the ATX power supply and the PCIe golden fingers at the same time. It is prohibited that the DPU ATX power supply is powered on while the PCIe golden-finger interface is powered-down or powered-up.