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PoE RS845 Add-On Card

SKU: Inforce ACC-1S70-P2

The Inforce ACC-1S70-P2 from Penguin Solutions™ is a credit card sized Power over Ethernet (PoE) accessory that allows you to power your Inforce 6309 and Inforce 6640 platforms and provide an Ethernet connection in any location with just a single cable. This also provides an isolated full duplex RS-485 Transceiver. The plug and play accessory supports extended temperatures and it will work straight out of the box.


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PoE/RS485 Add-On Card for Inforce 6309 Micro SBC and Inforce 6640 SBC

This is an excellent accessory for situations when you want to connect network devices that are far away from your power source. With this accessory, you can now power your Inforce 6309 and Inforce 6640 platforms and provide an Ethernet connection in any location with just a single cable! You also get an isolated full duplex RS-485 transceiver with Signalling Rates up to 4 Mbps. The accessory comes with the necessary spacers and connector to interface to the Inforce 6309 and Inforce 6640 platforms.

Block Diagram

Acc 1s70 block diagram


PoE/RS485 Accessory Specifications

  • PD configuration for PoE where the board gets power from PoE-enabled switches
  • The add-on card gives out 12V DC output. An external 12V, 1A Jack with Lock is available
  • The connection between ACC-1S70 and Inforce 6309 or Inforce 6640 platforms is through a 10 pin header; 12V power supply is given through this header
  • Conflict of power sources when DC power jack and PoE-enabled switches are both connected is handled; The higher voltage source shall be chosen to drive the board.
  • PoE is 25.5W IEEE 802.3 at Compliant (Type 2) PD
  • 1.5KV isolation input to output; Undervoltage and overvoltage supported with thermal protection
  • Short-circuit protection with auto-restart
  • Isolated Full Duplex RS-485 transceiver
  • RS-485 meets TIA/EIA RS-485 requirements; Signalling rates up to 4 Mbps; 50 kV/μs typical transient immunity

Power, Mechanical, and Environmental

  • Module dimensions: 85mm x 54mm x 25.6mm; 54 grams
  • Connector : 10-pin header and necessary spacers
  • Power: 12V/1A DC output
  • Extended operating temperature range of -20ºC to +70ºC

Compatible Platforms

  • IFC6309 Micro SBC
  • IFC6640 SBC


  • Early access to leading edge APIs and next generation features.
  • A product roadmap that keeps developers on the latest technology curve from Qualcomm


Inforce ACC-1S70 PoE/RS485 Add-On Card Datasheet Download