RUGGEDCOM RMC20

The RMC20 is a utility-grade, protocol-independent, serial-to-fiber and serial standards converter for all your serial communication requirements.The RMC20 allows RS485, RS422, or RS232 devices or networks to communicate over secure, noise immune, optically isolated, fiber optic cabling at extended distances, as well convert RS232 to either RS485 or RS422 serial standards.The RMC20 was designed specifically to provide years of maintenance free operation for all your mission-critical, realtime control applications.

Serial-to-fiber and serial standards converter

Configure your RUGGEDCOM product

The RUGGEDCOM-Selector lets you configure RUGGEDCOM products quickly, easily, and efficiently, by using targeted navigation through selection menus or by entering item numbers. Selected products can then be ordered directly by transferring the parts list into the Industry Mall.


Port Options

  • Protocol independent RS485, RS422,
    or RS232 (user selectable) conversion to multimode fiber optics
    (ST connector only)

  • RS232 to RS485/422 conversion mode

  • Fully EIA/TIA RS485, RS422, RS232 compliant communications

  • Built-in, defeatable, RS485/RS422 termination networks

  • Point-to-point, or optical loop configurations

  • Full or half duplex configurable

  • Support for high-speed serial baud rates from 300 to 115200 baud


Key Features

  • Extend lengths of serial connections (up to 5km/hop)

  • Media conversation is transparent to end devices



Universal Power Supply Options

  • 24VDC, 48VDC or HI (88-300VDC / 85 - 264VAC) options for worldwide operability

  • Integrated high-reliability power supply eliminates the need for external power transformer

  • Screw down terminal blocks ensure reliable maintenance-free connections

  • All power supplies CSA/UL 60950 approved for +85°C (+185°F) operation


Designed for Harsh Environments

  • Exceeds IEC 61850-3 and IEEE 1613 standards for communication equipment in electric power substations.

  • Operates over a temperature range of -40°C to +85°C without the use of fans for improved reliability

  • 21 AWG galvanized steel enclosure suitable for DIN or panel mounting provide secure mechanical reliability


Simple Plug-and-Play Operation

  • Simple, externally-accessible configuration

  • Transmit and receive data LED indicators for quick and easy troubleshooting

  • Fully integrated power supply connects directly to power source permanently for reliable maintenance-free operation