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for real-time VBR are voice with speech activity detection (SAD) and interactive
compressed video.
• nrtVBR (non-real-time Variable Bit Rate) – This class allows users to send traffic
at a rate that varies with time depending on the availability of user information.
Statistical multiplexing is provided to make optimum use of network resources.
Multimedia email is an example of nrtVBR.
PCR: This is the maximum rate at which the sender can send cells. divide the dSl
line rate (bps) by 424 (the size of an ATM cell) to find the PCR (Peak Cell Rate).
SCR (Sustain Cell Rate): This is the average rate, as measured over a long
interval, in the order of the connection lifetime.
MBS (Maximum Burst Size): This refers to the maximum number of cells that can
be sent at the peak rate. enter the MbS value, which must be less than 65535.
ENCAPSULATION — The router can be connected to your Internet service
provider in the following ways.
Dynamic IP Address: This automatically obtains an IP address from your ISP.
Static IP Address: This uses a static IP address. Your ISP provides a static IP
address to access Internet services.
PPPoE/PPPoA: PPPoe (PPP over ethernet) and PPPoA (PPP over ATM) are common
connection methods used for xdSl.
Bridged Mode: This is a common connection method used for xdSl modem.
DYNAMIC IP ADDRESS/STATIC IP ADDRESS/PPPoE-PPPoA/BRIDGED MODE —
based on the ISP type selected above, the Web page will present fields to be
filled in from among the following parameters.
Service Name: enter the name of your ISP.
User Name: enter the username exactly as assigned by your ISP.
Password: enter the password that your ISP has assigned to you.
Encapsulation: Check with your ISP for the method of multiplexing. In bridged Mode,
select "1483 Bridged IP LLC" or "1483 Bridged IP VC-Mux." In PPPoE/PPPoA
mode, select "PPPoE LLC," "PPPoE VC-Mux," "PPPoA LLC" or "PPPoA VC-Mux."
Bridge Interface: This router has a built-in AdSl modem and is able to connect to an
ISP directly. Alternatively, if you want to use the dial-up software to manually connect to
the ISP, you can activate the bridge interface.
Connection: There are three options here.
• Always On – The connection will always be kept on. If the connection is
interrupted, the router will re-connect automatically.
• Connect On-Demand – Only connect when you want to surf the Internet.
"Close if idle for xx minutes" is set to stop the connection when the network
traffic is not sending or receiving after an idle time.
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