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Managed Extenders
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Broadband DSL Routers
Media Converters
Serial Converters & Repeaters
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Cellular Gateways & Routers
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mmWave
Modems
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SFP Transceivers
M12 USB Backup Device
Network Cables & Antennas
Product Lines and Brands
All Westermo Products
Services
Our Services
Service Agreements
Essential
Enhanced
Enterprise
Service Agreements for Cellular Networks
Essential- Cellular
Enhanced - Cellular
Enterprise - Cellular
Technical Support Services
Westermo Academy
Activator
Industries
Rail
Applications
Rail Products
Projects and References
Blu Wireless Partnership
Energy
Dynamic Grid Solutions
Primary Substation Communication
Renewable Power Generation
Smart Grid Communications
Substation Automation
Maritime and Offshore
DNV approved products
Success stories
Water and Wastewater
Solutions
WeOS
Download WeOS
WeOS firmware history
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WeOS User Guides
WeConfig
Download WeConfig
Configuration
Cybersecurity
Diagnostics
Maintenance
WeConnect
Activator
Industrial Cybersecurity
Industrial Remote Access
Cybersecurity
Industrial applications
Legacy Modem Replacement
Protocol conversion
Utility applications
Zero Touch Networks
Cellular Communication
Private cellular networks
Extending Ethernet
Products
SHDSL cable testing
Solutions
Support
Product Support
Contact Support
Industrial Networking Blog
Westermo Academy
Technical Support Services
On-site support services
Commissioning services
Troubleshooting services
Network security services
Network optimization services
Network design services
Application Notes
Product Life Cycle
Repair and Warranty
Security Advisories
Report a Vulnerability
Legacy Software Tools
Contact
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Send us a message
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Our Commitment to Sustainability
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DDW-221
Industrial Ethernet Extender
DDW-221
This product is no longer being sold and might not be supported.
Please see replacement part:
DDW-225
User guides
User guide, DDW-221
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