How to hard reset TP Link TC-7620 router – Default Login & Password

The TP-LINK TC-7620 router has No WiFi, 1 Gigabit ETH-ports and 0 USB-ports.
It is also known as the TP-LINK DOCSIS 3.0 High Speed Cable Modem.
How to hard reset TC-7620 - Default Login & Password

How to hard reset (factory reset) TC-7620 :

You can hard reset your TC-7620 with ways bellow
Use web interface :
Open a browser and navigate to the web interface of the router (see default settings below)
In the menu look for System tools and under there find the Factory defaults option
On the Factory defaults page click on the Restore button to perform the reset.
Use RESET/WPS button :
Have the unit powered on
Press and hold the reset (sometimes reset/WPS) button for 10 seconds with a paperclip or other sharp object.
When the SYS led start blinking quickly release the reset button and wait for router to boot back up.

TC-7620 default Login & Password, factory settings :

Default Gateway IP: 192.168.100.1
Default subnet mask: 255.255.255.0
Default DNS server: 192.168.100.1

TC-7620 router specifications :

System specs
CPU: n/a
RAM: 128 MiB
Flash: 16 MiB
Custom firmwares: None
Connectivity
WiFi: No ()
WiFi bands
n/a
WiFi throughput: n/a
WAN
None
ETH
1 x Gigabit port
USB-ports: 0

How to hard reset TP-Link WiFi router