UNICOM Electric 8 - Manual (Page 19)

3. Port: The ports you want to monitor. All monitored port traffic will be
copied to a single port. You can select up to 9 ports to monitor. Users can
choose to monitor receiving (RX) frames only or transmission (TX) frames
only or both from the Action column.
Actions->
: Exit the Port Monitoring configuration page and return to previous
menu.
: Configures all items. When finished configuration, press ESC to
go back to action menu line.
: Save all configured value.
4-3-4. VLAN Configuration