Billion BiPAC 7404VNOX User Manual page 85

Mode: Two methods are provided, that is, Volume-based and Time-based.
Volume-based: The volume amount you can use per month.
Only Download: Only make statistics of Download Traffic.
Only Upload: Only make statistics of Upload Traffic.
Download and Upload: Make statistics of both Download and Upload Traffic.
Time-based: The hours you can use per month.
Over usage allowance action: If the online time or traffic you have used exceeds the usage
allowance you set. The system will do the followings operations.
Save the statistics to ROM: Choose the time interval for saving statistics. You can choose to save
for Every one hour or Disable the function.
Time Schedule: Specify time duration for your 3G WAN connection.
Mode: select your wanted mode of 3G operation from the drop-down menu.
TEL No.: The dial string to make a GPRS / 3G user internetworking call. It may provide by your
mobile service provider.
APN: An APN is similar to a URL on the WWW, it is what the unit makes a GPRS / UMTS call. The
service provider is able to attach anything to an APN to create a data connection, requirements for
APN's to be assigned varies between different service providers. Most service providers have an
internet portal which they connect a DHCP Server to, giving you access to the internet i.e. Some 3G
operators use the APN 'internet' for their portal. The default value of APN is "internet".
Username: Enter the username provided by your service provider.
Password: Enter the password provided by your service provider.
Authentication Type: Default is None. Manually specify CHAP (Challenge Handshake
Authentication Protocol) or PAP (Password Authentication Protocol) if you know which type the
server is using (when acting as a client), or else the authentication type you want clients connecting
to you to use (when acting as a server). When using PAP, the password is sent unencrypted, whilst
CHAP encrypts the password before sending, and also allows for challenges at different periods to
ensure that an intruder has not replaced the client.
MTU: Maximum Transmission Unit. The size of the largest datagram (excluding media-specific
headers) that IP will attempt to send through the interface.
PIN: PIN stands for Personal Identification Number. A PIN code is a numeric value used in certain
systems as a password to gain access, and authenticate. In mobile phones a PIN code locks the SIM
card until you enter the correct code. If you enter the PIN code incorrectly into the phone 3 times in a
row, then the SIM card will be blocked and you will require a PUK code from your network/service
provider.
Connection: select the connection method you want.
Always On: The router will make UMTS/GPRS call when starting up. Enabling Always On,
82