Chapter 5 Broadband
P-661HNU-Fx User’s Guide
103
If the signal strength of a 3G network is too low, the 3G card may switch to an
available 2.5G or 2.75G network. Refer to Section 5.4 on page 104 for a
comparison between 2G, 2.5G, 2.75G and 3G wireless technologies.
Figure 20 Broadband > 3G Backup
The following table describes the labels in this screen.
Table 10 Broadband > 3G Backup
LABEL DESCRIPTION
3G Backup Select this option to have the ZyXEL Device use the 3G connection as
your WAN or a backup when the wired WAN connection fails.
Card Description This field displays the manufacturer and model name of your 3G card
if you inserted one in the ZyXEL Device. Otherwise, it displays N/A.
Username Type the user name (of up to 70 ASCII printable characters) given to
you by your service provider.
Password Type the password (of up to 70 ASCII printable characters) associated
with the user name above.
PIN This field is optional.
A PIN (Personal Identification Number) code is a key to a 3G card.
Without the PIN code, you cannot use the 3G 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 3G 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.
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