Bidirectional serial-to-ethernet converter designed to connect devices with RS-232/RS-485 interfaces to LAN/WAN Internet over Ethernet network.

Easy-to-use, reliable and cost-effective solution that provides remote access to equipment from anywhere in the world.
Serial interfaces can operate simultaneously that allows to connect wide range of devices: meters, controllers, sensors, etc.
Many network settings and serial parameters can be easily changed via web browser or console.

Application Areas
— AMR/AMI systems, smart grids
— Industrial Automation and Monitoring Systems
— Power and Energy industry


  • EDM106 – converter with one RS-232 and two RS-485 ports,
  • EDM106-G – converter with one RS-232 and two galvanically isolated RS-485 ports.


  • Ethernet 10/100 Base-TX
  • RS-232, 2xRS-485/RS-422 ports
  • TCP Server/TCP Client modes
  • DHCP Client and DNS Client
  • 8.5V Power Output
  • Easy configuration and firmware update via web interface
  • Built-in watchdog timer ensuring automatic device reboot in the event of system failures
  • Operating temperature: -40°C…+70°C


Converter is housed in a compact metal enclosure and is suitable for DIN-rail or wall mounting. Ethernet port and DB9-F port are located on the front side of the device. The back side contains two RS-485 ports (can be configured as RS-422), 6P6C and 2-pin power supply connectors, RESET button and LED indicators.



EDM106 / EDM106-G
Ethernet Port1 x RJ-45 10/100 Base-TX
Serial Ports1 x RS-232 (DB9-F)
2 x RS-485 / 1 x RS-422 (terminal block)
Baud Rate: 600-115200 bps
RS-485 protection: EDM106-G only
Flow Control: RTS/CTS
Transmission ProtocolTCP (unsecured)
CPUARM 32-bit CortexTM-M3 120 MHz
RAM128 Kb
Flash256 Kb
Power Supply Voltage: DC 10~30 V
Consumption: 0,5 W
ReliabilityWatchDog timer
Dimensions76 x 65 x 36 mm (L x W x H)
Weight122 (±5) gr
MountingDIN rail, wall, table rubber feet
Operating temperature-40°C…+70°C
Warranty2 years