Introduction
1
The RUGGEDCOM RMC20 series of media converters are industrially hardened
and specifically designed to operate reliably in electrically harsh and climatically
demanding environments.
The RUGGEDCOM RMC20 is a utility-grade, protocol-independent, serial-to-fiber
and serial standards converter for all your serial communication requirements.
The RUGGEDCOM 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 RUGGEDCOM RMC20 was designed specifically to provide years of maintenance
free operation for all your mission-critical, real-time control applications. To provide
the utmost in reliability, the RUGGEDCOM RMC20 is tested to the most stringent
international EMI and environmental standards for use in HV/MV electric utility
substations and industrial manufacturing, process and control and intelligent
transportation systems applications. All RUGGEDCOM products are packaged with a
high reliability, built-in power supply (24V, 48V or HI voltage options) and enclosed
in a rugged galvanized steel enclosure suitable for panel or DIN-rail mounting.
1.1 Feature Highlights
Key Features
• Extend lengths of serial connections (up to 5 km or 3 mi per hop)
• Media conversation is transparent to end devices
Port Options
• Protocol independent RS485, RS422, or RS232 (user selectable) conversion to
multi-mode fiber optics (ST connector only)
• RS232 to RS485/422 conversion mode
• Fully EIA/TIA RS485, RS422, RS232 compliant communications
• Built-in, defeat-able, 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
Designed for Harsh Environments
• Operates over a temperature range of -40 to 85 °C (-40 to 185 °F) without the
use of fans for improved reliability
RUGGEDCOM RMC20
Installation Manual, 04/2021, C79000-G8976-1007-10
1
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