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Westermo DDW-226-EX Industrial Managed Ethernet Extender

Westermo DDW-226-EX Industrial Managed Ethernet Extender
Westermo DDW-226-EX Industrial Managed Ethernet Extender
Westermo DDW-226-EX Industrial Managed Ethernet Extender
Westermo DDW-226-EX Industrial Managed Ethernet Extender
Westermo DDW-226-EX Industrial Managed Ethernet Extender

  • EX Approved Managed Ethernet Extender with Serial Support
  • 4 x 10 Mbit/s, 100 Mbit/s Ethernet TX Ports (RJ-45 connector)
  • 2 x 2-position detachable screw terminals for SHDSL ports
  • 1 x RS-232 Serial port (RJ-45 connector, 300 bit/s – 115.2 kbit/s)
  • Robust IP40-rated aluminium housing
  • DIN-rail mount installation design
  • Dual 16 – 60 VDC Redundant 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)
  • Hazardous Location (ATEX Zone 2 Ex nA nC IIC T4 Gc)
  • Oil & Gas
  • Railway Transportation
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The Wolverine DDW-226-EX is an Industrial Ethernet Extender, powered by the Westermo WeOS network operating system. Independently tested for IECEX and ATEX by Baseefa, the Wolverine is the perfect solution for hazardous area applications in any part of the world.

The DDW-226-EX allows effective Ethernet networks to be created over long distances (up to 15 km) at data rates up to 15.3 Mbit/s. The SHDSL technology makes it possible to reuse many types of pre-existing copper cables, which can lead to considerable financial savings. Depending on cable characteristics, distances up to 15 km (9.3 mi) can be achieved. The combination of WeOS and the integrated RS-232 port allows legacy equipment to become part of an IP backbone network.

With its robust aluminum housing, the DDW-226-EX is designed for use in heavy-duty industrial applications. The wide power range and I/O fault contact make it ideal for easy installation and monitoring in industrial applications.

Only industrial-grade components are used, which gives the DDW-226-EX an MTBF of 370,000 hours and ensures a long service life. A wide operating temperature range of –40 to +70°C (–40 to +158°F) can be achieved without the need for moving parts or cooling holes in the case. The DDW-226-EX 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.


End of Life Product - No Replacement

Please note that the DDW-226-EX has been phased out. You can explore the DDW-142DDW-142-12VDCDDW-242, and DDW-242-12VDC-BP in the Managed Extenders.


Enjoy the ease of online inquiries for the Westermo DDW-226-EX Industrial Managed Ethernet Extender. You can submit your inquiry on our website and get the most friendly communication with our experts to choose high-quality industrial automation products at a reasonable price from our Middle East branches (UAE (Dubai), KSA (Al Khobar, Riyadh), and Oman).

switch and hub : Interface
Number of ports 4 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
1000Mb SFP Fiber optic (Gigabit) Ports No
10/100Mb (Megabit) POE Ports No
10/100/1000Mb (Gigabit) POE Ports No
Other ports Yes : 2 x 2-position detachable screw terminals for DSL ports, 1 x RS-232 Serial port (RJ-45 connector, 300 bit/s – 115.2 kbit/s), 1 x Console Port (2.5 mm jack), 1 x USB 2.0 host interface, 1 x Digital I/O (1 x 4-position detachable screw terminal)
switch and hub : Features and capabilities
Backup No
switch and hub : LED Indicators
LED Per Port Yes
switch and hub : Power Requirements
Input Current 330 mA (495 mA) @ 20 VDC (with 500 mA USB load), 150 mA (215 mA) @ 48 VDC (with 500 mA USB load)
Power Input Plugin ( Redundant ) Yes
Input Voltage 20 to 48 VDC
Operating Voltage 16 to 60 VDC
Power Consumption -
switch and hub : General
Fan / Fanless Fanless
MTBF MIL-HDBK-217K: 370,000 hours
switch and hub : Switch specifications
Most forwarding speed -
Network working layers Layer 3
Switch type Managed
Port Aggregation No
switch and hub : Physical Characteristics
Dimensions 134 x 100 x 122 mm (5.25 x 3.93 x 4.80 in)
Housing Aluminium
Installation DIN-rail mounting
Operating Temperature –40 to +70 ºC (–40 to +158 ºF)
Operation Humidity 5 to 95% relative humidity
Standards and Certifications MIL-HDBK-217K; Ingress protection: IP40; EMC: EN 50121-4, Railway signalling and telecommunications apparatus., EN 61000-6-1, Immunity residential environments., EN 61000-6-2, Immunity industrial environments., EN 61000-6-3, Emission residential, commercial and light-industrial environments., EN 61000-6-4, Emission industrial environments.; Safety: UL/IEC/EN 60950-1, IT equipment.; SHDSL: ITU-T G.991.2.; IECEx: Explosive atmosphere, IEC 60079-0, General requirements, IEC 60079-15, Equipment protected by type of protection “n”; ATEX: Explosive atmosphere, EN 60079-0, General requirements, EN 60079-15, Equipment protected by type of protection “n”
Storage Temperature –40 to +85 ºC (–40 to +185 ºF)
Weight 1.5 kg
switch and hub : Standards and protocols
Protocols and work standards SHDSL: EFM according to IEEE 802.3-2005; SNMP
Protocols and management standards -
switch and hub : Package Checklist
Hardware installation guide Yes
Power cable No

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