Zhone 6519-X1 User Manual page 50

If you want the DHCP server to automatically assign IP addresses, then enable the DHCP server
and enter the range of IP addresses that the DHCP server can assign to your computers. Disable
the DHCP server if you would like to manually assign IP addresses.
Static IP Lease list – you can configure the DHCP server to set aside up to 32 static IP
addresses based on the MAC addresses of the device connected to the router by clicking on the
Add Entries button.
65xx-A1 Family Router Users Guide
50