3Com WL-542 - Manual (Page 67)

Firewall 65
Figure 54 Add Schedule Rule Screen
2 Enter a name and comment for the schedule rule in the Name and
Comment fields.
3 Specify the schedule rules for the required days and times - note that all
times should be in 24 hour format.
4 Click Apply.
MAC Address
Filtering
The MAC Address Filter is a powerful security feature that allows you to
specify which computers are allowed on the wireless network. Any
wireless computers attempting to access the network that are not
specified in the filter list will be denied access.
Figure 55 MAC Address Filtering Screen