Overview

LT28GF series are 28-port rack mount layer-2 (with basic layer 3 features) modular managed Ethernet switch with 4 slots. These switches are designed for power substation application, and it is fully compliant with the requirement of IEC 61850-3 and IEEE 1613. These switches support Ethernet Redundancy protocol, LK-Ring (recovery time < 30ms), LK-Chain, MRP *, Fast Recovery and MSTP (RSTP/STP compatible) can protect all mission-critical applications from network interruptions or temporary malfunctions with its fast recovery technology.


LT28GF series can be managed centralized and convenient by Open-Vision, as well as the web-based interface, Telnet and console (CLI) configuration. Therefore, the switch is one of the most reliable choices for highly managed and Fiber Ethernet application.

Security Features

  • Device Binding security feature
  • Enable/disable ports, MAC based port security
  • Port based network access control (802.1x)
  • MAC-based authentication (802.1x)
  • VLAN (802.1Q) to segregate and secure network traffic
  • Radius centralized password management
  • SNMPv3 encrypted authentication and access security
  • Https / SSH enhance network security
  • Web and CLI authentication and authorization
  • IP source guard

Features of Solar Drive Controller

Software Features

  • Basic routing
  • Static routing
  • RIPv2
  • VRRP
  • IEEE 1588v2 clock synchronization
  • IEEE 802.1D Bridge, auto MAC address learning/aging and MAC address (static)
  • MSTP (RSTP/STP compatible)
  • Redundant Ring (LK-Ring) with recovery time less than 30ms
  • TOS/Diffserv supported
  • Quality of Service (802.1p) for real-time traffic
  • VLAN (802.1Q) with VLAN tagging
  • Guest VLAN
  • GVRP
  • IGMP v2/v3 Snooping
  • Application-based QoS management
  • DOS/DDOS auto prevention
  • Port configuration, status, statistics, monitoring, security
  • DHCP Server/Client/Relay
  • Modbus TCP,MMS server
  • SMTP Client
  • SNTP server
  • Firmware upgrade and configuration backup and restore

Software Features

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