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Westermo Manuals & User Guides

Westermo designs robust industrial data communications products, including switches and routers, for mission-critical systems in harsh environments.

Tip: include the full model number printed on your Westermo label for the best match.

Westermo Support

Official site: https://www.westermo.com
General support: https://www.westermo.com/support
Warranty & registration: Warranty info
Support phone: +46 16 42 80 00
Support email: support@westermo.com
Contact form: Contact manufacturer support

Westermo manuals

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Westermo QN-016-WUK Merlin Cellular User Guide

January 12, 2026

Westermo QN-016-WUK Merlin Cellular Specifications Interface Specifications DC, Power port Operating voltage 9 to 36 VDC Rated frequency DC Polarity Reverse polarity protected Redundant power input No Isolation All other…

westermo Merlin 3100 Series Industrial Cellular Router User Guide

December 19, 2025

westermo Merlin 3100 Series Industrial Cellular Router Product Using Instructions The Merlin 3100 Series Industrial Cellular Router is designed for industrial use and provides reliable connectivity in challenging environments. It…

Westermo AN-005-WIE Managed Industrial Ethernet Switch User Guide

December 17, 2025

Westermo AN-005-WIE Managed Industrial Ethernet Switch User Guide Westermo Ireland AN-005-WIE Merlin Security Hardening Guide Overview This Security Hardening Guide describes the features and “know how” to introduce basic security…

westermo Merlin SCADA Protocol Conversion User Guide

December 16, 2025

westermo Merlin SCADA Protocol Conversion Hardware Models Merlin Series Revision 1.01 Approval status Approved Date: 11 December 2025 Brief description Merlin SCADA Protocol Conversion Scenario: SNMP to DNP3 Overview This…

westermo 100 Series 5G Industrial Cellular Router User Guide

November 29, 2025

westermo 100 Series 5G Industrial Cellular Router General Information Legal Information The contents of this document are provided “as is”. Except as required by applicable law, no warranties of any…

westermo Merlin-4407-T4-S2-LV Merlin SCADA Protocol Conversion User Manual

November 21, 2025

westermo Merlin-4407-T4-S2-LV Merlin SCADA Protocol Conversion Specifications Product: Merlin SCADA Protocol Conversion Hardware Models: Merlin Series 1.00 Revision: Approved Date: 16 September 2025 Overview This application note demonstrates how to…

westermo Merlin Series IoT 4G LTE Cellular Router Owner’s Manual

November 21, 2025

westermo Merlin Series IoT 4G LTE Cellular Router Overview This Security Hardening Guide describes the features and “know how” to introduce basic security configuration to Merlin series routers. IMPORTANT NOTE…

Westermo weos-v5-22 5-21 Operating System App Instructions

November 18, 2025

Westermo weos-v5-22 5-21 Operating System App Specifications New firmware image format: WeOS operates on a new firmware image format starting from version 5.22.2 Transition requirements: Transition from WeOS 5.21.2 to…

Westermo Viper-3520-PoE Series Managed Routing Switch User Guide

October 27, 2025

Viper 3520-PoE Series 20 port Ethernet M12 switches with Power over Ethernet General Information 1.1. Legal Information The contents of this document are provided “as is”. Except as required by…

westermo 5528 Series RedFox 9 Inch Rackmount Switch User Manual

October 22, 2025

westermo 5528 Series RedFox 9 Inch Rackmount Switch General Information Legal Information The contents of this document are provided “as is”. Except as required by applicable law, no warranties of…

Westermo Viper 3508 Series Managed Gigabit Routing Switch User Guide

guide

Comprehensive user guide for the Westermo Viper 3508 Series, a managed Gigabit routing switch designed for railway rolling stock applications. Covers safety, product description, installation, specifications, and compliance.

Westermo Lynx L105-S1 and L205-S1 User Guide: Industrial Ethernet Switch

User Guide

Comprehensive user guide for Westermo Lynx L105-S1 and L205-S1 industrial Ethernet 5-port device server switches. Covers installation, safety, specifications, compliance, and configuration.

Westermo Merlin 4100 Series Industrial Cellular Router User Guide

user manual

Comprehensive user guide for the Westermo Merlin 4100 Series industrial LTE cellular router, covering installation, specifications, safety, and compliance information.

Westermo Viper 3520 Series: User Guide for 20-Port Ethernet M12 Switches

User Guide

Comprehensive user guide for the Westermo Viper 3520 Series, detailing features, installation, specifications, and safety information for 20-port Ethernet M12 industrial switches designed for demanding environments like railway and mining.

Merlin 4610 User Guide - Industrial Dual-Radio Cellular Router

user guide

Comprehensive user guide for the Westermo Merlin 4610 Industrial Dual-Radio Cellular Router, detailing installation, specifications, safety, and operational features for demanding industrial applications.

Merlin 4610 Management Guide - Westermo

Management Guide

Comprehensive management guide for the Westermo Merlin 4610 Series industrial cellular router. Covers installation, hardware specifications, configuration, system settings, and advanced features for network management.

Westermo Merlin 4600 Series Industrial Cellular Router - Specifications and Features

Datasheet

Detailed specifications, features, and technical information for the Westermo Merlin 4600 Series industrial dual-radio 450MHz private network cellular router, including cybersecurity, connectivity, and environmental ratings.

Merlin 3100 Series User Guide: Industrial Cellular Router by Westermo

user guide

Comprehensive user guide for the Westermo Merlin 3100 Series industrial cellular router. Covers installation, specifications, safety, and compliance for demanding industrial and smart grid applications.

Westermo Viper 3512 Series Managed Gbps Routing Switch Datasheet

Datasheet

Datasheet for the Westermo Viper 3512 Series, a managed Gbps routing switch approved for rolling stock and designed for extreme operational environments. Features include 12 ports, 24-110 VDC input, WeOS,…

Westermo Viper 12A Series User Guide: 12 Port Ethernet M12 Switches

User Guide

Comprehensive user guide for the Westermo Viper 12A Series, detailing installation, specifications, safety, and compliance for 12-port Ethernet M12 switches designed for demanding environments like railway rolling stock.

Westermo Viper 3520-PoE Series User Guide

guide

User guide for the Westermo Viper 3520-PoE Series, a 20-port Ethernet M12 switch with Power over Ethernet, designed for demanding industrial and railway environments. Covers product description, safety, installation, specifications,…

Westermo RCP-1570: Assembly Instructions and Technical Dimensions

assembly instructions

Detailed technical drawing and assembly instructions for the Westermo RCP-1570 modular computing platform, designed for railway and industrial applications. Learn about its dimensions and mounting options.

PS-60 Power Supply Unit

User Guide

PS-60, Power Supply Unit

L108/208-F2G-S2 Industrial Ethernet 8-Port Device Server Switch

User Guide

L108, 208-F2G-S2, Industrial Ethernet 8-Port Device Server Switch