RoSyS U2L Bridge

Your forecourt business is growing and it requires some IFSF-LON fuel dispensers to be connected and communicate properly with your retail system or POS terminals. Our new RoSyS U2L Bridge is the revolutionary solution especially designed for this common forecourt scenario adding value to your system.


RoSyS U2L Bridge module is intelligent protocol converter - an embedded device that successfully transforms IFSF-LON communication from your fuel dispensers into Tokheim-UDC protocol. A perfect solution designed to connect any type of IFSF-LON compatible dispensers to a non-IFSF forecourt control devices or Retail system (POS), that quickly and flexible solves the problems that appeared by interface interactions. The RoSyS U2L Bridge converter main characteristics also include:


  • Power Supply: from 100V to 380V AC

  • Standard RS232 or RS485 communication to the master (Retail POS system)

  • Automatic protocol conversion from IFSF-LON to UDC and vice-versa

  • Supports all fuel-dispensers able to connect to the IFSF-LON network;

  • Fully compatible to IFSF-LON standard defined by International Forecourt Standards Forum

  • Decimal point adjustment for all parameters – Amount, Volume, Unit-Price and Totalizers

  • Convenient user interface for parameters adjustment – OLED Display and 5 keys on the front panel

  • LED indication – Activity, UDC-Tx/Rx, LON-Tx/Rx

  • Selectable LON-server node-address from 1 to 127

  • Up to 16 filling points (FPs) fully supported

  • Easy and fast firmware update over USB


RoSyS U2L Bridge successfully accomplish any POS requests trough IFSF-LON protocol bringing back the gathered information from the fuel dispensers by displaying data, status information, totalizers, etc. into POS terminals. Simultaneously trough UDC protocol the POS returns control commands to the fuel pumps like authorizations, halt-sales, price change etc., that RoSyS U2L Bridge converts and sends to fuel pumps. The integrated main menu in RoSyS U2L Bridge displays constant information that helps forecourt staff and managers to control the interactions between fuel dispensers and the retail system. Each single RoSyS U2L Bridge device has its field descriptions on the main menu dashboard as follow:

  • POS system status – shows the online/offline status of the POS

  • POS polling indicator – shows the POS requests to each FP

  • Number of the FPs that are enabled

  • FP status – shows the current FP status – like “R” – ready, “C”- calling, “F” – fueling, etc.

  • HB indicator of the current FP shows when a HB (heard beat event is sent from the dispenser)

  • LON server node address and status

Technical Specifications

Parameter Range/Type
Operating Temperature 0 – 40 °C / 32 – 104 °F
Supply Voltage 100 V – 270 V AC
Sealing IP20
Material ABS Plastic
Supported Dispenser Brand All brands with IFSF-LON certification passed