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Chapter 5 WAN Setup
P-660HWP-Dx User’s Guide
40
The VBR-nRT (non real-time Variable Bit Rate) type is used with bursty connections that do
not require closely controlled delay and delay variation. It is commonly used for "bursty"
traffic typical on LANs. PCR and MBS define the burst levels, SCR defines the minimum
level. An example of an VBR-nRT connection would be non-time sensitive data file transfers.
5.3.1.3 Unspecified Bit Rate (UBR)
The Unspecified Bit Rate (UBR) ATM traffic class is for bursty data transfers. However, UBR
doesn't guarantee any bandwidth and only delivers traffic when the network has spare
bandwidth. An example application is background file transfer.
5.4 Zero Configuration Internet Access
Once you turn on and connect the P-660HWP-Dx to a telephone jack, it automatically detects
the Internet connection settings (such as the VCI/VPI numbers and the encapsulation method)
from the ISP and makes the necessary configuration changes. In cases where additional
account information (such as an Internet account user name and password) is required or the
P-660HWP-Dx cannot connect to the ISP, you will be redirected to web screen(s) for
information input or troubleshooting.
Zero configuration for Internet access is disable when
• the P-660HWP-Dx is in bridge mode
• you set the P-660HWP-Dx to use a static (fixed) WAN IP address.
5.5 Internet Connection
To change your P-660HWP-Dx’s WAN Internet access settings, click Network > WAN. The
screen differs by the encapsulation.
See Section 5.1 on page 35 for more information.