UTD-ES-4000 is Managed Industrial Ethernet Switch equipped with 24x 10/100/1000Mbps RJ45 (with PoE+ support) and 100M/1G/2.5G SFP ports and additional interfaces for measurement and control. Switch is dedicated to provide the transmission of applications, supervision and operation of power stations, CCTV and other applications for the industry.

UTD-ES-4000 switch supports Ethernet Ring Protection Switching according to the ITU-T G.8032 standard, providing up to 20ms protection and recovery switching for Ethernet traffic in ring topologies. Standard resiliency spanning tree protocols like STP, RSTP, MSTP are also supported to ensure system reliability.


26-ports Managed Industrial Ethernet Switch
2x 100M/1000M/2.5G SFP
24x 10M/100M/1G RJ45
26-ports Managed Industrial Ethernet Switch
2x 100M/1000M/2.5G SFP
24x 10M/100M/1G RJ45 PoE÷PoE++


Special features:
  • PoE÷PoE++ support up to 90W (all ports max. 250W), Watchdog PoE
  • 'ITU-T G.8032' Ethernet ring support, up to 20ms protection and recovery switching
  • Hardware support for Synchronous Ethernet
  • IEEE 1588-2008v.2 (PTPv2): precise time synchronization, hardware support for timestamping; precise time synchronization for real-time applications
  • Energy Efficient Ethernet (EEE) support
  • Ethernet OAM (Link and Service OAM) support
  • Security: SNMPv3. Https, SSH management
  • IP-30 DIN mounted metal enclosure
  • Redundant power supply DC
  • -40 to +70°C operating temperature
  • Control and measurement functions: 3x RS232/485 virtual-com, 1-wire (T/H), 1x digital input, 4x relay outputs
Technical specification:


Ethernet interface

  • Ethernet: 24x RJ45 10/100/1000Mbps, 2x100M/1000M,2.5Gbps SFP (range of up to 200km for 100Mbit/s 100BASE-FX)
  • QoS: Weighted Round Robin, Strict Priority. PCP 802.1p, DSCP/ToS
  • VLAN:4096, 802.1Q, 802.1QinQ, private VLAN
  • Broadcast, Multicast, Unknown DA
  • IGMP snooping V1/V2/V3, IGMP Filtering/Throttling, IGMP Query, IGMP proxy reporting, MLD snooping V1/V2
  • RMON, MIB II,Port mirroring, Event syslog, DNS, NTP, IEEE802.1ab LLDP
  • Port Mirroring
  • IEEE 802.3az: Energy Efficient Ethernet
  • PortTrunk: IEEE 802.3ad LACP
  • MAC: 8192
  • Security: HTTP/HTTPS, SSL/SSH
  • Network redundancy:
  1. ITU-T G.8032 Ethernet Ring (ERPS)
  2. IEEE 802.1D Spanning Tree (STP)
  3. IEEE 802.1D-2005 Rapid Spanning Tree Protocol (RSTP)
  4. IEEE 802.1s Multiple Spanning Tree Protocol (MSTP)

Power supply

  • Power input: 36-72V DC
  • Power input: 230V AC
  • Two power supply inputs, redundant


  • SNMP v1/v2c/v3, SSH
  • Console (using USB port)
  • Http/Https protocol and web browser as a management application

Physical design

  • Dimensions 434x43x184mm
  • Weight 3kg
  • DIN rail mounting
  • ​IP 30 rated metal enclosure
  • Operating temperature: -40 to 70°C
  • Operating humidity (non condensing): 5%-95%