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MultiNet4 - Legacy
Multi-Port Serial Server & Management Switch

Sales of this product have been discontinued. As an alternative, please refer to MDS Orbit MCR.

MultiNet4 provides devices with serial ModBus to ModBus TCP/IP communications capability on an Ethernet network, allowing connection to LAN and WAN network systems via fiber or wire media. MultiNet4’s four serial ports have the capability to connect up to 128 serial ModBus devices, eliminating complex wiring and additional communications converters, while also enabling connectivity to the network via a fully-managed 4-port Ethernet switch.

With individually-configurable ports, MultiNet4's serial connectors can be set to work at different speeds and even with different Modbus TCP settings, enabling and optimizing collection of serial device data. MultiNet4 is also environmentally hardened to withstand severe utility and industrial conditions, and supports a variety of mounting options.


  • Provides network connectivity to relays, IEDs, and other serial devices
  • Connection point to network for both serial and Ethernet devices
  • Enables connection of serial devices to SCADA networks and HMI applications
  • Provides visibility to serial devices through EnerVista management software

4-port serial port server for fast monitoring of IEDs

  • Converts Modbus RTU into Modbus TCP over Ethernet
  • Connect up to 128 serial devices to an Ethernet network
  • Fast collection of serial data via individually-configurable Modbus TCP settings for each serial port
  • Simple “plug & play” device setup with EnerVista software

Fully-configurable and manageable network with built-in 4-port switch

  • SNMPv3 for secure switches management
  • Web Management Interface for easy administration
  • RSTP (802.1w), VLAN (802.1q) and QoS (802.1p) for network traffic optimization
  • RMON for monitoring of network status & statistics
  • Port Mirroring to assist network troubleshooting
  • Support for IPv6 networks
  • IGMP Snooping enabling reductions in multicast traffic


Typical Configuration


Designed for industrial and utility environments

MultiNet4 was designed for industrial and utility applications. Unlike most serial-to-Ethernet devices, MultiNet4 is industrially-hardened to withstand the harshest environmental conditions.

  • Temperature range of -40ºC to 85ºC
  • Internal DC and AC Power supply
  • DIN rail Mounting
  • Industrial/Utility Hardened (IEC 61850, 60225, IEEE 1613)
Part of your complete Industrial Networking solution

Like all Multilin products, MultiNet4 is designed and built by the same people who build GE Multilin IEDs and relays, and are designed as part of complete solution for utility and industrial applications.