ZyXEL Communications 91-009-073003B ユーザーズマニュアル
Chapter 11 Interfaces
ZyWALL USG 50 User’s Guide
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11.5 Cellular Configuration Screen (3G)
3G (Third Generation) is a digital, packet-switched wireless technology. Bandwidth
usage is optimized as multiple users share the same channel and bandwidth is
only allocated to users when they send data. It allows fast transfer of voice and
non-voice data and provides broadband Internet access to mobile devices.
usage is optimized as multiple users share the same channel and bandwidth is
only allocated to users when they send data. It allows fast transfer of voice and
non-voice data and provides broadband Internet access to mobile devices.
Note: The actual data rate you obtain varies depending on the 3G card you use, the
signal strength to the service provider’s base station, and so on.
You can configure how the ZyWALL’s 3G device connects to a network (refer to
• You can set the 3G device to connect only to the home network, which is the
network to which you are originally subscribed.
• You can set the 3G device to connect to other networks if the signal strength of
the home network is too low or it is unavailable.
OK
Click OK to save your changes back to the ZyWALL.
Cancel
Click Cancel to exit this screen without saving.
Table 58 Configuration > Network > Interface > PPP > Add (continued)
LABEL
DESCRIPTION