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

  1. Device Binding security feature
  2. Enable/disable ports, MAC based port security
  3. Port based network access control (802.1x)
  4. MAC-based authentication (802.1x)
  5. VLAN (802.1Q) to segregate and secure network traffic
  6. Radius centralized password management
  7. SNMPv3 encrypted authentication and access security
  8. Https / SSH enhance network security
  9. Web and CLI authentication and authorization
  10. 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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