Technical Reference - ZyXEL Communications P870HNU-51B User Manual

Table 27 3G Backup (continued)
LABEL
Dial string
APN
Connection
Max Idle
Timeout
Obtain an IP
Address
Automatically
Use the following
static IP address
IP Address
Obtain DNS info
dynamically
Use the following
static DNS IP
address
Primary DNS
server
Secondary DNS
server
Apply
Cancel

5.7 Technical Reference

The following section contains additional technical information about the Device features described
in this chapter.
Encapsulation
Be sure to use the encapsulation method required by your ISP. The Device can work in bridge mode
or routing mode. When the Device is in routing mode, it supports the following methods.
P-870HNU-51b User's Guide
DESCRIPTION
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 3G connection in
Taiwan.
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 31 ASCII printable characters. Spaces are allowed.
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.
This value specifies the time in minutes that elapses before the Device
automatically disconnects from the ISP.
0 means the Internet session will not timeout.
Select this option If your ISP did not assign you a fixed IP address.
Select this option If the ISP assigned a fixed IP address.
Enter your WAN IP address in this field if you selected Use the following
static IP address.
Select this to have the Device get the DNS server addresses from the ISP
automatically.
Select this to have the Device use the DNS server addresses you configure
manually.
Enter the first DNS server address assigned by the ISP.
Enter the second DNS server address assigned by the ISP.
Click Apply to save your changes back to the Device.
Click Cancel to return to the previous configuration.
Chapter 5 WAN Setup
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