Telem-GWM-C - discontinued


Data concentrator with built-in 4G/3G/GPRS modem.

Basic card

  • Ethernet connection
  • 2 RS-232 ports
  • 2 RS-232/485 ports
  • USB console port for configuration
  • 1-wire temperature sensor port
  • 4G/3G/GPRS modem

Different expansion cards

Communication protocols towards to control centre
IEC 60870-5-101 Unbalanced & Balanced, IEC 60870-5-104

Communication protocols towards to substation
IEC 60870-5-101 Unbalanced, IEC 60870-5-103, IEC 60870-5-104, SPA-bus, IEC 62056-21 (IEC 1107), Modbus-RTU, Modbus-TCP, TELEM

CT and battery powered Telem-GWM

Telem-GWM can now be powered from measurement current transformer in combination with accumulator. It wakes up on input change and periodically once a week.

  • Datasheet - battery powered modification (PDF)

Configuration tool Telem-GWS for data concentrators
User Manual

Cyber security notifications:

AS Martem Laki 25, 12915 Tallinn, Estonia
Phone: (+372) 639 7979 E-mail: martem [at] martem dot eu