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Westermo L105-S1 Managed Ethernet Switch

Westermo L105-S1 Managed Ethernet Switch
Westermo L105-S1 Managed Ethernet Switch
Westermo L105-S1 Managed Ethernet Switch
Westermo L105-S1 Managed Ethernet Switch
Westermo L105-S1 Managed Ethernet Switch
Westermo L105-S1 Managed Ethernet Switch
Westermo L105-S1 Managed Ethernet Switch
Westermo L105-S1 Managed Ethernet Switch
Westermo L105-S1 Managed Ethernet Switch

  • Layer 2 functionality switching
  • 4 x 10 Mbit/s, 100 Mbit/s Copper ports (RJ-45 connector)
  • 1 x RS-232 Serial port (RJ-45 connector, 50 bit/s – 115.2 kbit/s)
  • IP40-rated Robust metal housing
  • DIN rail mount installation
  • 24 to 48 VDC Redundant dual power inputs
  • -40 to +70°C operating temperature range

  • Operating Temperature (-40 to 70°C)
  • Relative Humidity (5% to 95% RH)
  • IP protection (IP40)
  • Shock (IEC 60068-2-27)
  • Vibration (IEC 60068-2-6, IEC 60068-2-64)
  • Railway Transportation
  • Marine
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Lynx DSS is available in several versions, the L105-S1 is a device server with a layer 2 industrial Ethernet switch, powered by the Westermo WeOS network operating system. Lynx DSS is the most compact and has the lowest power requirements in this class of device servers. Lynx DSS has 4 10/100 Mbit/s ports and one RS-232 port.

Lynx DSS is designed for simple use in industrial applications, from the robust DIN rail clip solution to the configurable fault contact and the industrial-level dual power inputs. Only industrial-grade components are used, which gives the Lynx DSS an MTBF of 677,000 hours and ensures a long service life. A wide operating temperature range of –40 to +70°C (–40 to +158°F) can be achieved with no moving parts or cooling holes in the case. Lynx DSS has been tested both by Westermo and external test houses to meet many EMC, isolation, vibration, and shock standards, all to the highest levels suitable for heavy industrial environments and rail trackside applications.

WeOS has been developed by Westermo to allow us to offer cross-platform and future-proof solutions. WeOS can deliver unique IP security functionality for this class of product, for instance, a Multiport DMZ can be constructed by utilising the internal port-based firewall function or Modbus Gateway support. Remote secure access to a network can be provided using encrypted VPNs.


You can also find the L106-F2GL106-S2L205-S1, and L206-S2 models in the Managed Ethernet Switches.


Discover industrial automation solutions appropriate to your needs, and easily inquire about the Westermo L105-S1 Managed Ethernet Switch through our user-friendly website via one of our Middle East branches (UAE (Dubai), KSA (Al Khobar, Riyadh), and Oman). 

switch and hub : Interface
Number of ports 5 Ports
10/100Mb RJ45 (Megabit) Ports Yes : 4 Ports (or 10 Mbit/s)
10/100/1000Mb RJ45 (Gigabit) Ports No
100Mb Fiber optic multi mode (Megabit) Ports No
100Mb Fiber optic single mode (Megabit) Ports No
100Mb SFP Fiber optic (Megabit) Ports No
1000Mb SFP Fiber optic (Gigabit) Ports No
10/100Mb (Megabit) POE Ports No
10/100/1000Mb (Gigabit) POE Ports No
Other ports Yes : 1 x RS-232 Serial port (RJ-45 connector, 50 bit/s – 115.2 kbit/s), 1 x USB Port, 1 x Digital input channel and 1 x Digital output channel, 1 x Console Port
switch and hub : Features and capabilities
Backup Yes
switch and hub : LED Indicators
LED Per Port Yes
switch and hub : Power Requirements
Input Current 24 VDC: 140 mA; 48 VDC: 70 mA
Power Input Plugin ( Redundant ) Yes
Input Voltage 24 to 48 VDC (with Galvanic isolation to all ports)
Operating Voltage 19 to 60 VDC
Power Consumption -
switch and hub : General
Fan / Fanless Fanless
MTBF MIL-HDBK-217-F: 677,000 hours
switch and hub : Switch specifications
Most forwarding speed -
Network working layers Layer 2
Switch type Managed
Port Aggregation Yes
switch and hub : Physical Characteristics
Dimensions 52 x 100 x 101 mm (2.04 x 3.93 x 3.97 inches)
Housing Metal
Installation DIN-rail mounting
Operating Temperature -40 to +70°C (-40 to +158°F)
Operation Humidity 5-95% relative humidity
Standards and Certifications MIL-HDBK-217-F; IEC 62443; Ingress protection: IP40; Corrosive gases: IEC 60068-2-60; EMC: EN 61000-6-1, Immunity residential environments, EN 61000-6-2, Immunity industrial environments, EN 61000-6-4, Emission industrial environments, EN 50121-4/IEC 62236-4, Railway and telecommunications apparatus; Safety UL 62368-1, Safety: Communication Technology; Marine: DNV GL rules for classification - Ships and offshore units; Approvals EMI: FCC Part 15.105 class B; Shock: IEC 60068-2-27; Vibration: IEC 60068-2-6, IEC 60068-2-64
Storage Temperature -50 to +85°C (-58 to +185°F)
Weight 0.7Kg
switch and hub : Standards and protocols
Protocols and work standards -
Protocols and management standards WeConfig, Web interface (HTTP and HTTPS), Command Line Interface (CLI) via console port, (SSHv2 and Telnet), Local and central user authentication (RADIUS and TACACS+), SNMPv1/v2c/v3. Secure Copy (SCP), USB configuration and backupb., BOOTP client, flexible alarm/event handling system, Syslog (log files on RAM/USB and remote syslog server), Digital I/O, Persistent Port Monitoring, NTPv4 Client/Server, DHCP client (including options 60 and 61), DHCP server (including options 1, 3, 6, 7, 12, 15, 42, 61, 66, 67, 82, 121 and 249), DHCP relay agent (including options 54 and 82), DDNS
switch and hub : Package Checklist
Hardware installation guide Yes
Power adapter No
Power cable No

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