Samsung RNX-EASYN4 - Manual (Page 63)

Wireless Router RNX-EasyN4 User Manual
Add PC MAC Address
Fill in “LAN MAC Address” and of the PC that is allowed to
access the Internet, and then click . If you find any typo before adding it
and want to retype again, just click and the fields will be cleared.
Remove PC MAC Address
If you want to remove some PC from the "MAC Filtering Table", select the
PC you want to remove in the table and then click . If you
want to remove all PCs from the table, just click the button. If you
want to clear the selection and re-select again, just click .
Click at the bottom of the screen to save the above configurations.