Billion BiPAC 7800GZ, User Manual

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Connection:
Always On:
The router will make UMTS/GPRS call when starting up. Click on Always On, the
Keep Alive field will display.
Keep Alive:
Check Enable to allow the router automatically send message out periodically
to prevent the connection being dropped out by your ISP. Type the circle time, default is 60
seconds.
Connect on Demand:
If you want to make UMTS/GPRS call only when there is a packet
requesting access to the Internet (i.e. when a program on your computer attempts to access
the Internet). In this mode, you must set Idle Timeout value at same time. Click on Connect on
Demand, the Idle Timeout field will display.
Idle Timeout:
Auto-disconnect the broadband firewall gateway when there is no activity on
the line for a predetermined period of time. The idle timeout value is not allowed to be set
under 10 seconds. Default is 600 seconds.
NAT:
Check to enable the NAT function.
Obtain DNS Automatically:
Select this check box to activate DNS automatically.
Primary DNS/ Secondary DNS:
Enter the IP addresses of the DNS servers. The DNS servers are
passed to the DHCP clients along with the IP address and the Netmask.
MTU:
MTU (Maximum Transmission Unit) is the size of the largest datagram (excluding media-
specific headers) that IP will attempt to send through the interface.
Click Apply to confirm the settings.
Note: If you don’t know how to set these parameters, please keep them untouched.
3G Usage Allowance