Zoom ADSL X6v 5697 - Manual (Page 114)

Here is a picture of the LAN Configuration page:
The following table shows you the values to enter. After you enter
the values, click Save Changes, then Write Settings to Flash.
Setting Description
IP Address The LAN IP address of your modem.
This is the IP Address at which PCs and
other devices in your network will
contact your modem.*
Subnet Mask The modem's subnet mask address.
Status You should leave this setting on
Enable. Disable would require you to
set up fixed IP addresses for all of the
devices in your network.
Maximum Lease
Time The maximum amount of time, in
seconds, that a device in your network
will have the temporary IP address
before a new one is issued by the
modem’s DHCP server. (86,400 seconds
equals 24 hours)
ADSL X6v User Guide 114