TPL-421E
Powerline 1200 AV2 Adapter with Built-in Outlet

Thumbnail for the TRENDnet TPL-421E router with No WiFi, 1 N/A ETH-ports and
0 USB-ports

The TRENDnet TPL-421E router has No WiFi, 1 N/A ETH-ports and 0 USB-ports.
It is also known as the TRENDnet Powerline 1200 AV2 Adapter with Built-in Outlet.

Quick links:
Default password/Login

TPL-421E router specifications (specs)

System specs
CPU: n/a
RAM: 128 MiB
Flash: 4 MiB
Custom firmwares: None

Connectivity
WiFi: No ()
WiFi bands: n/a
WiFi throughput: n/a
WAN: None
ETH: 1 x N/A port
USB-ports: 0

Hard reset instructions for TRENDnet TPL-421E

If your TPL-421E router is not working as it should, dropping connections or not being responsive, you should first do a reset of the router to see if the problems persist. Other scenarios where you might want to reset your router is if you've forgotten the password or misconfigured it and can't get access anymore.
Your can reset your TRENDnet TPL-421E in the following way(s):

With the reset button

Have the unit plugged in and powered on
Press and hold the reset button for 15 seconds (use a sharp pencil or a paperclip)
Wait for the router to reboot

The 30-30-30 reset

If the above instructions don't work you can always try the 30-30-30 reset as follows:

When router is powered on, press the reset button and hold for 30 seconds. (Use a paper clip or something sharp)
While holding the reset button pressed, unplug the power of the router and hold the reset button for 30 seconds
While still holding the reset button down, turn on the power to the unit again and hold for another 30 seconds.

This process usually works for resetting any router to it's factory setting.

Note: It is worth reading more about how to reset routers with the 30 30 30 reset and what the risks and considerations are when resetting your router this way, instead of just rebooting it.

Default factory settings for TRENDnet TPL-421E

If you have performed a reset of your TPL-421E device or not changed the defaults, you should be able to access it with the following settings:

Default subnet mask: 255.255.255.0

Note: If you are using the default settings you should change them to increase security and prevent unathorized access to your network.

TPL-421E Firmwares

Staying up to date with the latest firmware is a good idea to keep your router even more secure from various security flaws.
If you want to squeeze a little bit of extra functionality out of your router, consider flashing an open-source firmware like dd-wrt, openWRT or LEDE. Flashing a custom ROM can greatly increase the stability and functionality of your old router.
Following are the firmwares that we have identified existing for the TRENDnet TPL-421E:

TRENDnet stock firmware for the TPL-421E

Stock firmwares for the TPL-421E are available under the download section on the modem's support page. You can also refer to the router's manual for instructions on how to upgrade the firmware.