How to Program Moxa NPort W2150A, W2250A, W2150A-W4, & W2250A-W4 in Wired Mode
Overview
This article will go through the steps to program a Moxa NPort W2150A, W2250A, W2150A-W4, & W2250A-W4 unit to be used in wired mode only.
Convert Wireless to Wired
This section describes how to convert an already programmed Moxa NPort device to function in wired mode.
Requirements
- IP Address of Programmed Moxa NPort Device
- Programmed Moxa NPort Device (Instructions)
Program Ethernet Settings
- From a web browser, go to http://[moxa_ip_address]
- e.g. http://192.168.1.100/
- Type "admin" in Account field
- Type "moxa" in Password field
If you are getting incorrect password, try leaving the password blank.- Click Login
- Go to Network Settings > Ethernet/Bridge Settings
- Set IP configuration to "Static"
- Type the IP address of the Moxa NPort device in IP address field
- Type the Subnet Mask of the Moxa NPort device in Netmask field
- Type the Gateway of the Moxa NPort device in Gateway field
- Click Submit
- Device will prompt for reboot, Click OK
Program in Wired Mode from Scratch
This section describes how to program a brand-new Moxa NPort device in wired mode
Requirements
- Ethernet Cable
- 12-48vdc Power Supply (12vdc included)
- Static IP Address, Subnet Mask (Netmask), & Gateway
- DSU (link)
- Plug in Ethernet cable between Ethernet port located on the top of the unit and your PC Ethernet port
- Plug power supply into Moxa
- Launch DSU
- Click Search and wait for it to complete

- Verify the MAC address matches the white label on the back of the unit
- Click Un-Lock (If this is grayed out, skip this step)
- Username: "admin"
- Password: "moxa"
If you are getting incorrect password, try leaving the password blank.
- Click the device in DSU to highlight
- Click Assign IP
- Enter IP Address, Netmask, and Gateway
- Press OK then wait for it to complete
- If successful, Press OK
- A new search will automatically start, confirm the same Moxa appears with the correct IP address
- Power down Moxa unit and unplug Ethernet cable from PC
Boot into Wired Mode
Ethernet MUST be plugged into Ethernet port before powering up Moxa
While Moxa is still powered down, plug in company Ethernet cable
- Power up Moxa NPort device
- Confirm "Ready" LED is the only LED light lit up
Boot into Wireless Mode

Ethernet cannot be plugged into Ethernet port before powering up Moxa
- Unplug the network cable from the Ethernet port on the Moxa NPort device
- Restart the Moxa NPort device to boot into wireless mode
- Confirm "WLAN" LED is either flashing or solid green
Troubleshooting
- Unable to find the unit with DSU
- It is very important to first plug in the Ethernet cable before power up the unit. Unplug the power cord, plug in the Ethernet cable, then plug in the power cord.
- WLAN light is flashing green
- Moxa NPort device has booted into wireless mode. Power down Moxa, plug in Ethernet cable, and power up Moxa.
- WLAN light is not lit
- Moxa NPort device has booted into wired mode. Power down Moxa, unplug Ethernet cable, and power up Moxa.
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