ZyXEL Communications P-660HW-DX User Manual
Chapter 1 Introducing the ZyXEL Device
P-660HW-Dx User’s Guide
34
Figure 1 Protected Internet Access Applications
You can also use the ZyXEL Device to connect two geographically dispersed networks over
the ADSL line. A typical LAN-to-LAN application example is shown as follows.
the ADSL line. A typical LAN-to-LAN application example is shown as follows.
Figure 2 LAN-to-LAN Application Example
The ZyXEL Device is compatible with the ADSL/ADSL2/ADSL2+ standards. Maximum data
rates attainable for each standard are shown in the next table.
rates attainable for each standard are shown in the next table.
"
If your ZyXEL Device does not support Annex M, the maximum ADSL2/2+
upstream data rate is 1.2 Mbps. ZyXEL Devices which work over ISDN do not
support Annex M.
upstream data rate is 1.2 Mbps. ZyXEL Devices which work over ISDN do not
support Annex M.
"
The standard your ISP supports determines the maximum upstream and
downstream speeds attainable. Actual speeds attained also depend on the
distance from your ISP, line quality, etc.
downstream speeds attainable. Actual speeds attained also depend on the
distance from your ISP, line quality, etc.
Table 1 ADSL Standards
DATA RATE STANDARD UPSTREAM
DOWNSTREAM
ADSL
832 kbps
8Mbps
ADSL2
3.5Mbps
12Mbps
ADSL2+
3.5Mbps
24Mbps