Managed Gigabit Ethernet PoE+ Switch
(24) 10/100/1000Base-T Ports + (4) 1G/10GBase-X SFP+ Ports

This switch is a high performance managed PoE+ switch with (24) 10/100/1000 copper ports and (4) dual speed 1G/10G SFP+ slots.

NDAA Compliant

SM24TAT4XB Overview


  • Supports Jumbo Frame up to 10240 bytes
  • Authentication – RADIUS IEEE 802.1X, TACACS+
  • Security – Support SSH/SSL
  • Port based or tagged (IEEE 802.1Q) VLAN, MAC based VLAN, Management VLAN and Private VLAN Edge
  • DHCP Server, Client, Relay
  • IEEE 1588v2 PTP (TC)
  • ACLs Support for up to 512 entries, drop or rate limitation based on source and destination MAC, VLAN ID or IP address, protocol, port, DSCP/IP precedence, TCP/IP source and destination ports, IEEE 802.1p priority, Ethernet Type / IGMP packets, TCP flag
  • LLDP (Link Layer Discovery Protocol)
  • IEEE 802.3az Energy Efficiency
  • Web Management, SNMP V1/V2c/V3, Telnet, CLI
  • Supports IEEE 802.3ad port trunk with link aggregation control protocol (LACP). Supports up to 26 groups with (4) ports per group.
  • Supports IGMP Snooping V1/V2/V3, up to 1024 multicast groups, GVRP, IGMP Proxy, IGMP Querier
  • MLD snooping V1/V2: deliver IPv6 multicast packages only to the required receivers
  • Supports 8 hardware queues, Strict priority and WRR. Queue assignment based on DSCP and IEEE 802.1p CoS; IPv4/IPv6 precedence/ Type of Service / DiffServ / classification and remarking ACLs; rate limiting, ingress policer, egress shaping and rate control
  • IEEE 802.1s MSTP, IEEE 802.1w RSTP and IEEE 802.1D STP Compliant
  • Firmware Update, configure backup/restore through web GUI and TFTP
  • Supports IPv4/IPv6 Layer 3 static routing
  • ITU-T G.8031, G8032, loop detection


PoE Features

  • Compliant with IEEE 802.3at PoE+
  • Compliant with IEEE 802.3af PoE
  • IEEE 802.1AB LLDP-MED Configuration
  • Auto Power Reset
  • DHCP per port
  • Always on PoE


Device Management System (DMS) Features

  • Graphical Monitoring – Topology view, Floor view, Map view
  • Traffic Monitoring
  • Troubleshooting – Network diagnostic, protection mechanism, performance and link management


Last Updated: 04/15/2022

SM24TAT4XB Tech Specs


    • IEEE 802.3
    • IEEE 802.3u
    • IEEE 802.3z
    • IEEE 802.3x
    • IEEE 802.3ad
    • IEEE 802.1D
    • IEEE 802.1w
    • IEEE 802.1s
    • IEEE 802.1Q
    • IEEE 802.1p
    • IEEE 802.1ad
    • IEEE 802.1AB
    • IEEE 802.3af
    • IEEE 802.3at
    • IEEE 802.3az
    • IEEE 802.1X


    • (1) RS-232 Serial port
    • (24) 10/100/1000 RJ-45 ports
    • (4) 1G/10G SFP+ slots


    • CSMA/CD


    • Store-and-forward switching architecture

    MAC Address

    • 32K MAC address table


    • 128 Gbps


    • Width: 17.4” [442 mm]
    • Depth: 8.31” [211 mm]
    • Height: 1.73” [44 mm]

    Power Consumption

    • 44 Watts (max without PoE)
    • 450 Watts (full load with PoE)

    Power Input

    • Internal Power: 100 – 240VAC


    • Max PoE budget 370 Watts
    • 30 Watts for (12) ports simultaneously
    • 15.4 Watts for (24) ports simultaneously


    • Operating: 0°C to 50°C
    • Humidity: 5% to 90% (non-condensing)


    • 8.38 lbs. [3.8 kg]


    • Safety: UL Listed, IEC62368/EN62368
    • Emissions: FCC Class A, CE Mark


    • 5 Years

    SM24TAT4XB Downloads

    Additional Product Information

    Note: Some Documentation may have Transition Networks named or pictured. Transition Networks was acquired by Lantronix in August 2021. Learn more about the acquisition here.

    Visio Stencils

    Plan your network with Microsoft Visio Stencils. You must log in or create a MyLantronix account to access Visio Stencils.

    Firmware Downloads

    Keep your products up to date by downloading the latest firmware. You must log in or create a MyLantronix account to download firmware. 

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