TPGS-L6424XTR - EN50155 Managed Ethernet Switch w/ enhanced G.8032 Ring, PXE, WVI

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Lantech T(P)GS-L6424XTR is a high-performance OS3 full Gigabit Ethernet switch with 24 10/100/1000T + 4 1G/2.5G/5G/10G copper M12 X-coded. PoE model has 8/16 PoE 802.3af/at ports which provides advanced security function for network aggregation deployment. It delivers ITU G.8032 enhanced ring recovery less than 20ms in a single ring while also supports enhanced mode with easy configuration. The comprehensive QoS, advanced security including INGRESS ACL L2/L3, TACACS+, SSH v2/SSL and Mac-based DHCP server, DHCP Option 82, DHCP server, IGMPv1/v2/v3/router port are supported and also needed in a large network. It also supports10K Jumbo frames.


  • 24 10/100/1000T + 4 1G/2.5G/5G/10G copper M12 X-coded (Total 28 Ports Switch)
  • PoE model: w/8/16 PoE 802.3af/at ports EN50155 M12 Managed Ethernet Switch to feed power up to 30W for active mode operation (PoE budget 160W)
  • EN45545-2 Fire & Smoke, EN50155 and EN61373 shock/vibration verification
  • Galvanic isolation from power input/Ethernet ports to system 1.5KV
  • PoE model: PoE management including PoE detection and scheduling, pre-set power feeding schedule, remote enable/disable
  • Wide dual power input voltage ranges from 16.8~137.5VDC with galvanic isolation
  • Inrush current limited protection
  • Back-plane (Switching Fabric): 128Gbps
  • 16K MAC address table
  • 10KB Jumbo frame
  • User-friendly UI, auto topology drawing, topology demo, complete CLI for a professional setting
  • Enhanced G.8032 Ring protection in 20ms for a single ring
    • Support various ring/chain topologies, including enhanced ring & basic ring
    • Enhanced G.8032 ring configuration with ease
    • Cover multicast and data packets protection
  • Supports IEEE 802.1p Class of Service, per port provides 8 priority queues Port base, Tag Base and Type of Service Priority
  • IEEE 802.1d STP, IEEE 802.1w RSTP,802.1s MSTP VLAN redundancy with 8 MSTI
  • 4K 802.1Q VLAN, Port-based VLAN, GVRP, QinQ, QoS
  • Supports IEEE 802.1ab LLDP, Cisco CDP; LLDP info can be viewed via Web/ Console
  • DHCP server / client / DHCP Option 82 relay / DHCP Option 82 server; Port based DHCP server; DHCP Snooping; DHCP Option 66; basic IPv6 DHCP server
  • Option 82 server; Port-based DHCP server; DHCP Option 66; basic IPv6 DHCP server
  • Mac-based DHCP server to assign an IP address that includes dumb switches in DHCP network
  • Bandwidth Control
    • Ingress packet filter and egress* rate limit
    • Broadcast/multicast packet filter control
  • Miss-wiring avoidance
    • LED indicator
  • TFTP/HTTP firmware upgrade
  • System Event Log, SMTP** Email alert and SNMP Trap for alarm support; 32 RMON counters
  • Security
    • MAC address table: MAC address entries/Filter/MAC-Port binding
    • Remote Admin: IP address security management to prevent an unauthorized intruder.
    • TACACS+
    • Login Security: IEEE802.1X/RADIUS
    • HTTPS for secure access to the web interface
  • Static multicast forwarding forward reversed IGMP flow with multicast packets binding with ports for IP surveillance application
  • IGMP router port for Multicast protection
  • IGMPv1,v2,v3 with Query mode for multimedia
  • MLD Snooping for IPv6 Multicast stream
  • Dual image firmware support
  • Diagnostic including Ping / ARP table / DDM information
  • Watchdog design to auto-reboot switch CPU is found dead
  • Built-in enhanced environmental monitoring for temperature, system actual input voltage, current and total power load
  • Supports 2DI + 2DO (Digital Input/Digital Output)
  • IP41 aluminium alloy housing with Rack mount design
  • Configuration backup and restoration
    • Supports editable configuration file for system quick installation
  • Support PXE to verify switch firmware with the latest or certain version
  • Built-in IEC 61375-3-4 ECN (Ethernet Consist Network) to work with IEC61375-2-5 TBN
  • Wide operation temperature: -40~70C/-40~158F (85°C operation for 10min.)
  • Enhanced Storm Control
  • Optional L3Lite/L3/ETBN to be upgradable
  • Optional smart bypass (up to two pairs) (-BT/-BBT model)


IEEE 802.3 10Base-T Ethernet
IEEE 802.3u 100Base-TX
IEEE802.3ab 1000Base-T
IEEE802.3an 10Gbase-T
IEEE802.3x Flow Control and Back Pressure
IEEE802.3ad Port trunk with LACP
IEEE802.1d Spanning Tree
IEEE802.1w Rapid Spanning Tree
IEEE802.1s Multiple Spanning Tree
IEEE 802.1AB Link Layer Discovery Protocol (LLDP)
IEEE 802.1X User Authentication (Radius)
IEEE802.1p Class of Service
IEEE802.3at/af Power over Ethernet

Switch Architecture

Back-plane (Switching Fabric): 128Gbps

Transfer Rate

14,880pps for Ethernet port
148,800pps for Fast Ethernet port
1,488,000pps for Gigabit Ethernet port

Mac Address

16K MAC address table

Jumbo frame



10/100/1000T: 24 ports M12 8-pole X-coded with Auto MDI/MDI-X function
1G/2.5G/5G/10G Copper: 4 x ports M12 8-pole X-coded with Auto MDI/MDI-X function
Power Input connector: 1 x M12 4-pole Male S-coded
Reset/Console/USB: 1 x M12 8-pole Female A-coded
DIDO: 1 x M12 5-pole Female A-coded

Network Cable

100Base-TX: 2-pair STP Cat. 5/ 5E/ 6 cable
EIA/TIA-568 100-ohm (100m)
1000Base-TX: 2-pair STP Cat. 5/ 5E/ 6 cable
EIA/TIA-568 100-ohm (100m)
10G Copper: 4-pair STP Cat6a/7 cable


Per unit: Power 1 (Green), Power 2 (Green), FAULT (Red)
10/100/1000T Ethernet port: Link/Activity (Green), Speed (Green);
R.M. indicator (Green)
PoE: Link/Act (Green) (PoE model)
1G/2.5G/5G/10G Copper port: Speed (1G/2.5G/5G: Yellow; 10G: Orange)


2 Digital Input (DI):
Level 0: -30~2V / Level 1: 10~30V
Max. input current:8mA
2 Digital Output (DO): Open collector to 80 VDC, 50mA

Operating Humidity

5% ~ 95% (Non-condensing)

Operating Temperature

-40°C~70°C / -40°F~158°F (85°C operation for 10min.)

Storage Temperature

-40°C~85°C / -40°F~185°F

Power Supply


PoE Budget (PoE model)


PoE pin assignment (PoE model)

M12 port #1~#8 (-8 model); port #1~#8 & #17~#24 (-16 model); support IEEE 802.3at/af End-point, Alternative A mode

Power Consumption

Max. 54.3W exclude PoE load


IP41 Aluminum alloy case (rack mount):




2U Rack mount design


EN 55032:2015,
EN 55024:2010,
EN IEC 61000-6-2,
EN IEC 61000-6-4,
IEC 61000-4-2 (ESD),
IEC 61000-4-3 (RS),
IEC 61000-4-4 (EFT),
IEC 61000-4-5 (Surge),
IEC 61000-4-6 (CS),
IEC 61000-4-8 (Magnetic field)

Stability Testing

EN61373 (Shock and Vibration)


TBC (standards: IEC 62380)

Verifications & report

EN45545-1, EN 45545-2 Fire & Smoke verification


5 years


Up to two pairs copper bypass module on 10G copper ports to pass to next switch in case of power failure and CPU hang.


SNMP v1 v2c, v3/ Web/Telnet/CLI


RFC 1158 MIB
RFC 1493 Bridge MIB*
RFC 1573 IF MIB 
RFC 2674 Q-Bridge MIB*
Private MIB

ITU G.8032

Support ITU G.8032 for Ring protection in less than 20ms for self-heal recovery (basic mode)
Support basic single ring & enhanced ring
Enhanced G.8032 ring configuration with ease
Ring covers multicast on different ports
Train mode for auto coupling ring configuration

PoE Management (PoE model)

  1. PoE Detection to check if PD hangs then restart the PD
  2. PoE Scheduling to On/OFF PD upon routine time table

Per Port PoE Status (PoE model)

On/ Off, voltage, current, watts, temperature

IEC 61375-3-4 standard

  1. Support Linear Topology、Linear Topology with Dual Homing、Ring Topology、Ring Topology with Dual Homing and Ladder Topology with Dual Homing.
  2. Switch IP address support Consist network address definitions.
  3. Set traffic priority with Supervisor/Message/Stream/Process/Best Effort in consist network.

User friendly UI

  1. Auto topology drawing
  2. Topology demo
  3. Complete CLI for professional setting

Port Trunk with LACP

LACP Port Trunk: 8 Trunk groups/Maximum 8 trunk members


Supports LLDP to allow switch to advise its identification and capability on the LAN


Cisco Discovery Protocol for topology mapping

Enhanced Environmental Monitoring

System status for actual input voltage, current, total power load and ambient temperature to be shown in GUI and sent alerting if any abnormal status


Port Based VLAN
IEEE 802.1Q Tag VLAN (256 entries)/ VLAN ID (Up to 4K, VLAN ID can be assigned from 1 to 4096)
Protocol based VLAN
IPv4 Subnet based VLAN

Spanning Tree

Supports IEEE802.1d Spanning Tree and IEEE802.1w Rapid Spanning Tree, IEEE802.1s Multiple Spanning Tree 8 MSTI

Quality of Service

The quality of service determined by port, Tag and IPv4 Type of service, IPv4 Differentiated Services Code Points - DSCP

Class of Service

Support IEEE802.1p class of service, per port provides 8 priority queues

Remote Admin

Supports 10 IP addresses that have permission to access the switch management and to prevent unauthorized intruder.

Login Security

Supports IEEE802.1X Authentication/RADIUS

Port Mirror

Support 3 mirroring types: “RX, TX and Both packet”

Network Security

Support 10 IP addresses that have permission to access the switch management and to prevent unauthorized intruder.
802.1X access control for port based and MAC based authentication/MAC-Port binding
Ingress L2/L3
SSL/SSH v2 for Management
HTTPS for secure access to the web interface
TACACS+ for Authentication


Support IGMP snooping v1, v2, v3; Supports IGMP static route; 1024 multicast groups; IGMP router port; IGMP query; GMRP

MLD Snooping

Support IPv6 Multicast stream

Static MAC-Port bridge

Static multicast forwarding forward reversed IGMP flow with multicast packets binding with ports for IP surveillance application

Bandwidth Control

Support ingress packet filter and egress* packet limit.
The egress* rate control supports all of packet type.
Ingress filter packet type combination rules are Broadcast/Multicast/Flooded Unicast packet, Broadcast/Multicast packet, Broadcast packet only and all types of packet.
The packet filter rate can be set an accurate value through the pull-down menu for the ingress packet filter and the egress* packet limit.

Flow Control

Supports Flow Control for Full-duplex and Back Pressure for Half-duplex

Enhanced Storm Control

prevents traffic on a LAN from being disrupted by a broadcast, multicast, or unicast storm on one of the physical interfaces

System Log

Supports system log record and remote system log server


Supports SMTP** Server and 8 e-mail accounts for receiving event alert


  1. Miss-wiring avoidance
  2. Node failure protection
  3. Loop protection


Up to 5 trap stations; trap types including:

  1. Device cold start
  2. Authorization failure
  3. Port link up/link down
  4. DI/DO open/close
  5. Typology change (ITU ring)
  6. Power failure
  7. Environmental abnormal


PXE to verify switch firmware with the latest or certain version


Provide DHCP Client/ DHCP Server/DHCP Option 82/Port based DHCP; DHCP Snooping; DHCP Option 66; basic IPv6 DHCP server

Mac based DHCP Server

Assign IP address by Mac that can include dumb switch in DHCP network


Provide DNS client feature and can set Primary and Secondary DNS server


Provide both NTP server and NTP client

Firmware Update

Supports TFTP firmware update, TFTP backup and restore; HTTP firmware upgrade


Complies with IEC 61375-3-4 (ECN) standard. The support of Ethernet Consist Network allows interconnection between end devices located in single consist of train and interoperability with IEC61375-2-5 (TBN).

Optional L3Lite/L3*/ETBN**

Lantech OS3 are optional upgradable to L3 Lite/ L3* or ETBN communication protocols for future expansion. The optional L3Lite includes editable routing table, VRRP, Router-on-a-stick, Inter- VLAN routing. Optional ETBN complies with IEC61375-2-5 ETBN for Train Backbone Network.
Detail SPEC upon request.

Dual Image Firmware

Support dual image firmware function


Support Ping, ARP table and DDM information

upload and download

Supports editable configuration file for system quick installation

We build to order