Linkskey LKR-604 - Manual (Page 11)

LKR-604
3
LAN (1-4)
Four RJ-45 10/100Mbps Auto-MDIX ports for connecting to Ethernet
enabled computers.
RESET
Use a pin-shaped object to reset the Router to factory default settings.
Resetting the Router will also reset the login password to the default.
Power
Connect one end of the included power adapter to the power port on
the Router and the other end into a power outlet.