What is the default username and password for Westermo Westermo Merlin 4400 Industrial Cyber Security Router?

The default username is "admin" and the default password is "westermo".

Westermo Enterprise Core N/A (Wired Gateway) High-Performance Industrial Gateway

Westermo Westermo Merlin 4400 Industrial Cyber Security Router

Q: What is the default IP address for Westermo Westermo Merlin 4400 Industrial Cyber Security Router?

The factory default IP address for Westermo Westermo Merlin 4400 Industrial Cyber Security Router is http://192.168.2.200.

Q: How do I factory reset the Westermo Westermo Merlin 4400 Industrial Cyber Security Router?

Locate the small Reset pinhole on the back panel of the Westermo Westermo Merlin 4400 Industrial Cyber Security Router. Press and hold it with a paperclip for 10-15 seconds while powered on until the LED lights cycle.

Electric grid substation automation (IEC 61850), water treatment, railway signaling

Open http://192.168.2.200 ↗

Illustration, not a product photo

Gateway IP

192.168.2.200

Factory Username

admin

Factory Password

westermo

Technical specifications

Merlin Series

Manufacturer	Westermo
Product Series	Merlin Series
Device Class / Category	Enterprise Core
Wireless Standard	N/A (Wired Gateway)
Speed Rating	High-Performance Industrial Gateway
Ethernet & Fiber Ports	4x GbE RJ45, 2x GbE SFP, 1x RS-232/485 Serial
Routing / Firewall Throughput	Wire-Speed Gigabit Routing / High-Throughput VPN
Default Gateway URL	http://192.168.2.200 ↗
Operating System / Firmware	Westermo WeOS

How to log in to your Westermo Westermo Merlin 4400 Industrial Cyber Security Router

1 Connect Your Device: Plug your PC into any LAN port on the Westermo Westermo Merlin 4400 Industrial Cyber Security Router using an Ethernet cable, or connect to the default Wi-Fi SSID printed on the router label.
2 Navigate to Gateway IP: Launch your web browser and enter http://192.168.2.200 into the address bar.
3 Enter Factory Credentials: Enter username "admin" and password "westermo", then click Login.
4 Configure Security & Password: Follow the on-screen Quick Setup wizard to customize your Wi-Fi SSID, set WPA3/WPA2-AES encryption, and establish a new master administrator password.

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Frequently asked questions

What is the default login for Westermo Westermo Merlin 4400 Industrial Cyber Security Router?

The default IP address is http://192.168.2.200, default username is "admin", and default password is "westermo".

What ports and speeds does Westermo Westermo Merlin 4400 Industrial Cyber Security Router support?

The Westermo Westermo Merlin 4400 Industrial Cyber Security Router is equipped with 4x GbE RJ45, 2x GbE SFP, 1x RS-232/485 Serial with an overall speed rating of High-Performance Industrial Gateway.

How do I reset my Westermo Westermo Merlin 4400 Industrial Cyber Security Router to factory settings?

Press and hold the physical Reset button on the Westermo Westermo Merlin 4400 Industrial Cyber Security Router for 10 to 15 seconds until the power LED blinks, resetting all settings to factory default.