The D-Link DI-624 rev B1 router has 54mbps WiFi, 4 100mbps ETH-ports and 0 USB-ports.
How to hard reset (factory reset) D-Link DI-624 rev B1 :
You can hard reset your D-Link DI-624 rev B1 with ways bellow
With the reset button
Locate the reset button on the back off the router
While the unit is powered on, press the reset button with a sharp object (e.g. paperclip)
Hold the button pressed for 10 seconds, then release.
The unit will reboot by itself and once the WLAN light stops blinking the factory reset is done.
You can now setup your router again through the user interface
D-Link DI-624 rev B1 default Login & Password, factory settings :
If you have performed a reset of your DI-624 rev B1 device or not changed the defaults, you
be able to access it with the following settings
Default subnet mask: 255.255.255.0
D-Link DI-624 rev B1 router specifications :
Custom firmwares: None
WiFi: 54mbps (bg)
WiFi throughput: n/a
1 x 100mbps port
4 x 100mbps ports