Managed Hardened Fast Ethernet Switch
(16) 10/100Base-TX Ports + (2) 10/100/1000Base-X SFP/RJ-45 Combo Ports

  • SISTM1040-262D-LRT-B-new
  • SISTM1040-262D-LRT-B-front
  • SISTM1040-262D-LRT-B-top
  • SISTM1040-262D-LRT-B-back

The SISTM1040-262D-LRT-B switch is a (16) port managed hardened switch with (2) copper ports or (2) dual speed SFP slots supporting Fast Ethernet to Gigabit Ethernet speeds. The (2) SFP slots provide the ultimate flexibility by allowing SFP fiber connections at different speeds and at a variety of communication distances. The ports can also be used in a redundant ring for maximum network reliability.


SISTM1040-262D-LRT-B Overview


  • Auto-Negotiation
  • Auto-MDI/MDIX
  • Combo SFP ports support 100/1000Base-X SFPs
  • Extended Operating Temperature (-40°C to +70°C)
  • Dry Contact Relay Alarm Output
  • Dual, Redundant, Auto-Sensing 12-48 VDC Power Inputs
  • Overload Current Protection
  • DIN Rail Mounting and Wall Mount Brackets Included
  • PTP- Precision Timing Protocol
  • RMON
  • Port Based VLAN (4096)
  • IEEE 802.1Q Tag VLAN
  • GVRP
  • Port Trunk with LACP QoS (Quality of Service)
  • IEEE 802.1p Class of Service, Per port provides priority queues
  • Port Based, Tag Based and Type of Service Priority
  • Port Security: MAC address entries/filter
    • IP Security: IP address security management to prevent unauthorized intruder
    • Login Security: IEEE 802.1X/RADIUS Authentication IGMP Query mode for Multi-Media Application
    • IGMP Multicast groups 1024
    • Support 0-ring and multi-ring, STP, RSTP, MSTP
    • Provide redundant backup feature and recovery time below 20ms.
  • SNMP v1 v2c, v3/Web/Telnet/CLI
  • DHCP Client/DHCP Server
  • TFTP Firmware Upgrade
  • TFTP Configuration Backup/Restore
  • IPv4/IPv6 dual-stac

SISTM1040-262D-LRT-B Tech Specs


    • IEEE 802.3
    • IEEE 802.3ab
    • IEEE 802.3u
    • IEEE 802.1X
    • IEEE 802.3ad
    • IEEE 802.1d
    • IEEE 802.1p
    • IEEE 802.1Q
    • IEEE 802.3z
    • IEEE 802.3x
    • IEEE 802.1W
    • IEEE 802.1S
    • IEEE 802.1AB

    Status LEDs

    • PWR 1 (Power): ON = primary power connected
    • PWR 2 (Power): ON = backup power connected
    • FAULT: ON = power input failure on PWR1 or PWR2
    • LNK/ACT: ON = Link; FLASHING = data transmitting
    • FDX/COL: ON = Full-duplex mode;
    • FLASHING = collisions occurring
    • RM: Ring Master


    • Width: 3.8” [96.4 mm]
    • Depth: 4.27” [108.5 mm]
    • Height: 6.06” [154 mm]

    Power Consumption

    • 12 Watts

    Power Input

    • 12 to 48 VDC; redundant inputs with over current protection

    Ingress Protection

    • IP30


    • Operating: -40°C to +70°C
    • Storage: -40°C to +85°C
    • Humidity: 5% to 95% (non-condensing)
    • Altitude: 0 – 10,000 ft.


    • 3.85 lbs. [1.75 kg]


    • Safety: UL EN60950-1, Class 1/Div 2, Groups A, B, C, D, ATEX, FCC Class A, CE Mark, CE EN61000-4-2, CE EN61000-4-3, CE EN-61000-4-4, CE EN61000-4-5, CE EN61000-4-6, CE EN61000-4-8, CE EN61000-6-11
    • Environmental: IEC60068-2-32 (Free fall), IEC60068-2-27 (Shock), IEC60068-2-6 (Vibration)


    • Lifetime

SISTM1040-262D-LRT-B Resources

Application Spotlights
Press Releases
Case Studies

SISTM1040-262D-LRT-B Downloads

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

SISTM1040-262D-LRT-B Firmware and Release Notes

SISTM1040-262D-LRT-B Part Numbers

SISTM1040-262D-LRT-B SISTM1040-262D-LRT-B

(16) 10/100Base-TX (RJ-45) ports [100 m/328 ft.] + (2) 10/100/1000Base-T (RJ-45) or (2) 100/1000Base-X SFP combo ports

Lantronix Part # Name Description Order Now

Compatible Accessories

Lantronix Part # Legacy Part # Name Description Order Now
SFP Modules SFP Modules See Relevant SFP Modules
OCA-P181610 OCA-P181610 Outdoor Cabinet Assembly 18 x 16 x 10” Polycarbonate Enclosure for Outdoor Switches
25165 25165 Industrial DIN Rail Mounted Power Supply
SPS-UA12DHT SPS-UA12DHT Industrial Power Supply