Managed Hardened Gigabit Ethernet Switch
(8) 10/100/1000Base-T Ports + (4) 100/1000Base-X SFP Slots

The SISGM1040-284-LRT is a managed switch suitable for connecting devices in hardened environments. The switch has 24Gbps switching capacity. The switch also includes the embedded Device Management System (DMS) software that provides the advanced tools necessary for total management of all IP addressable devices. The unique DMS provides security integrators with lower overall cost, less downtime and easier management of the entire network.

Lantronix’ hardened switches are certified to operate reliably in harsh environments such as those found on factory floors, outdoor enclosures or other challenging environments.

NDAA Compliant

SISGM1040-284-LRT Overview


  • Store-and-Forward Architecture with 24 Gbps Switching Bandwidth
  • IPv4/IPv6 dual protocols
  • Supports Jumbo frames up to 9K Bytes
  • Rapid Ring for fast recovery
  • Radius, TACACS+, User Authentication
  • Supports LLDP Protocol
  • IEEE 1588 v2 PTP
  • Port Mirroring
  • Syslog
  • Static routing
  • Port Security, IP Source Guard
  • Web / SNMP v1,v2c,v3 / SSH / CLImanagement
  • DHCP Relay, DHCP Snooping, DHCP  Server
  • Port based network access control (IEEE 802.1X)
  • L2/L3/L4 ACLs Support MAC, VLAN ID or IP address, protocol, per port
  • Port Trunk: Supports IEEE 802.3ad port trunk with link aggregation control protocol (LACP) and static trunk
  • Multicast: Support IGMP Snooping V1/V2/V3, MVR, MLD Snooping V1/V2
  • Quality of Service: Supports 8 hardware queues. Strict priority and WRR, Ingress policer, Egress shaping and per port rate control
  • Spanning Tree: Supports IEEE 802.1s MSTP, IEEE 802.1w RSTP and IEEE 802.1d STP Compliant
  • VLAN: Port Based VLAN, IEEE 802.1Q tag-based, up to 4k VLAN entries, Q-in-Q, MAC-based VLAN, Management VLAN, Voice VLAN, Private VLAN
  • Firmware Update through TFTP and HTTP/HTTPs
  • Media Redundancy Protocol (MRP)


Device Management System (DMS)

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

SISGM1040-284-LRT Tech Specs


  • IEEE 802.3
  • IEEE 802.3u
  • IEEE 802.3z
  • IEEE 802.3ab
  • IEEE 802.3x
  • IEEE 802.3az
  • IEEE 802.3ad
  • IEEE 802.1p
  • IEEE 802.1Q
  • IEEE 802.1w
  • IEEE 802.1s
  • IEEE 802.1AB
  • IEEE 802.1ad
  • IEEE 802.3ah
  • IEEE 802.1ag
  • IEEE 802.1D
  • IEEE 802.1X
  • IEEE 1588 v2
  • ITU-T Y.1731
  • ITU-T G.8031
  • ITU-T G.8032
  • IEC62439-2

MAC Address

  • 8K


  • 24Gbps

Protocol Technology

  • Store-and-Forward Switching Architecture


  • (8) 100/1000 RJ-45
  • (4) 100/1000 SFP
  • (1) Console RJ-45


  • Width: 2.4” [62 mm]
  • Depth: 5.3″ [135 mm]
  • Height: 5.4” [130 mm]

Power Consumption

  • 11 Watts (max)

Power Input

  • 12 – 48VDC; dual inputs terminal block

Ingress Protection

  • IP30


  • Operating: -40°C to +75°C (DC Input)


  • 2.2 lbs. [1 kg]


  • 193,332 Hours


  • FCC Class A, CE, UL Listed, IEC62368-1/EN62368-1, NEMA TS-2

Compliant* (Designed to Meet)

  • IEC61850-3, IEEE1613, UL C1/D2

    *Please contact sales with certification needs


  • 5 Years

SISGM1040-284-LRT 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.

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. 

SISGM1040-284-LRT Awards & Partners

Florida DOT Approved Product List

To achieve approval, a vendor must undergo an evaluation of their internal quality system based on the ISO 9001 standard, which is followed by a product evaluation. Successful applicants have their product listed on the Florida DOT Approved Product List (APL).

Learn More in the Press Release

Milestone xProtect Integration

Select Lantronix product supports a unique integration with the Milestone xProtect Software

Check out the Video

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(8) 10/100/1000Base-T [100 m/328 ft.] ports + (4) 100/1000Base-X SFP slots (Din Rail Bracket included)

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Compatible Accessories
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Input: 90 ~ 264 VAC Output: 12 VDC, 1.3A, 18 Watts

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(8) 10/100/1000Base-T [100 m/328 ft.] ports + (4) 100/1000Base-X SFP slots (Din Rail Bracket included)

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Enclosure Door Contact Alarm

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Industrial DIN Rail Mounted Power Supply: 48VDC, 39.8Watts

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Industrial DIN Rail Mounted Power Supply

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Wall Mount Bracket for SISPM1040-384-LRT-C, SISPM1040-362-LRT, SISPM1040-582-LRT

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Din Rail Bracket for Hardened Switches

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Outdoor cabinet with vent, (2) DIN rails, (2) ground terminal blocks and (1) each low voltage DC positive and negative and AC mains line and neutral/line terminal block, plus (1) power and (10) data wire glands

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SFP Modules
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