The 3G Backup Screen - ZyXEL Communications P-2812HNU-51c User Manual

Table 13 Broadband Add/Edit: Bridge (ADSL) (continued)
LABEL
Maximum Burst
Size
Apply
Back

5.3 The 3G Backup Screen

Use this screen to configure your 3G settings. Click Broadband > 3G Backup.
At the time of writing, the 3G card you can use in the Device is Huawei E220, E270, E160, E169G.
Note: The actual data rate you obtain varies depending the 3G card you use, the signal
strength to the service provider's base station, and so on.
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
3G wireless technologies.
Figure 29 Broadband > 3G Backup
P-2812HNU(L)-Fx Series User's Guide
DESCRIPTION
Maximum Burst Size (MBS) refers to the maximum number of cells that can be
sent at the peak rate. Type the MBS, which is less than 65535.
This field is available only when you select Non Realtime VBR or Realtime
VBR.
Click Apply to save your changes.
Click Back to return to the previous screen.
Section 5.4 on page 117 for a comparison between 2G, 2.5G, 2.75G and
Chapter 5 Broadband
115