ZyXEL Communications AX Series User Manual page 171

Table 39 Network Setting > Broadband > Cellular Backup (continued)
LABEL DESCRIPTION
Ping Host Select this to have the Zyxel Device ping the particular host name or IP address you typed in this
field.
Cellular Connection Settings
Card This field displays the manufacturer and model name of your cellular card if you inserted one in
description the Zyxel Device. Otherwise, it displays N/A.
Username Type the user name (of up to 64 ASCII printable characters) given to you by your service
provider.
Password Type the password (of up to 64 ASCII printable characters) associated with the user name
above.
Authentication The Zyxel Device supports PAP (Password Authentication Protocol) and CHAP (Challenge Type
Handshake Authentication Protocol). In PAP, peers identify themselves with a user name and
password. In CHAP, additionally to user name and password the Zyxel Device sends regular
challenges to make sure an intruder has not replaced a peer. CHAP is more secure than PAP;
however, PAP is available on more platforms. Select an authentication protocol (Auto, CHAP or
PAP). Contact your service provider for the correct authentication type.
PIN A PIN (Personal Identification Number) code is a key to a cellular card. Without the PIN code,
you cannot use the cellular card.
If your ISP enabled PIN code authentication, enter the 4-digit PIN code (0000 for example)
provided by your ISP. If you enter the PIN code incorrectly, the cellular card may be blocked by
your ISP and you cannot use the account to access the Internet.
If your ISP disabled PIN code authentication, leave this field blank.
Dial string Enter the phone number (dial string) used to dial up a connection to your service provider's base
station. Your ISP should provide the phone number.
For example, *99# is the dial string to establish a GPRS or cellular connection in Taiwan.
APN Enter the APN (Access Point Name) provided by your service provider. Connections with
different APNs may provide different services (such as Internet access or MMS (Multi-Media
Messaging Service)) and charge method.
You can enter up to 32 ASCII printable characters. Spaces are allowed.
Connection Select Nailed UP if you do not want the connection to time out.
Select On Demand if you do not want the connection up all the time and specify an idle time-
out in the Max Idle Timeout field.
Max Idle This value specifies the time in minutes that elapses before the Zyxel Device automatically
Timeout
disconnects from the ISP.
Obtain an IP Select this option if your ISP did not assign you a fixed IP address.
Address
Automatically
Use the Select this option if the ISP assigned a fixed IP address.
Following Static
IP Address
IP Address Enter your WAN IP address in this field if you selected Use the following static IP address.
Subnet Mask Enter the subnet mask of the IP address.
Obtain DNS Info Select this to have the Zyxel Device get the DNS server addresses from the ISP automatically.
Dynamically
Use the Select this to have the Zyxel Device use the DNS server addresses you configure manually.
Following Static
DNS IP Address
Primary DNS Enter the first DNS server address assigned by the ISP.
Server
Chapter 8 Broadband
AX/DX/EX/PX Series User's Guide
171