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Page 26 / 103 Scroll up to view Page 21 - 25
DG-BG4300N User Manual
Page 27 / 103
DG-BG4300N User Manual
5. Setup
5.1 WAN Configuration
There are three sub-menu for WAN configuration: [Channel Config], [ATM Settings], and [ADSL
Settings].
Channel Config
ADSL modem/router supports 8 ATM Permanent Virtual Channels (PVCs). There are mainly three
operations for each of the PVC channels: add, delete and modify. And there are several channel modes
to be selected for each PVC channel. For each of the channel modes, the setting is quite different
accordingly. Please refer to the section
–
Channel Mode Configuration for further details.
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DG-BG4300N User Manual
Function buttons in this page:
Add
Click Add to complete the channel setup and add PVC channel into configuration.
Modify
Select an existing PVC channel by clicking the radio button at the Select column of the Current ATM VC
Table before we can modify the PVC channel. After selecting PVC channel, we can modify the channel
configuration at this page. Click Modify to complete the channel modification and apply to the
configuration.
Delete
Select an existing PVC channel to be deleted by clicking the radio button at the Select column of the
Current ATM VC Table. Click Delete to delete this PVC channel from configuration.
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DG-BG4300N User Manual
5.1.1 ATM Settings
The page is for ATM PVC QoS parameters setting. The DSL device support 4 QoS mode
—
CBR/rt-
VBR/nrt-VBR/UBR.
Fields in this page:
Field
Description
VPI
Virtual Path Identifier. This is read-only field and is selected on the Select column
in the Current ATM VC Table.
VCI
Virtual Channel Identifier. This is read-only field and is selected on the Select
column in the Current ATM VC Table. The VCI, together with VPI, is used to
identify the next destination of a cell as it passes through the ATM switch.
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DG-BG4300N User Manual
QoS
Quality of Service, a characteristic of data transmission that measures how
accurately and how quickly a message or data is transferred from a source host
to a destination host over a network. The four QoS options are:
UBR (Unspecified Bit Rate): When UBR is selected, the SCR and MBS fields are
disabled.
CBR (Constant Bit Rate): When CBR is selected, the SCR and MBS fields are
disabled.
nrt-VBR (non-real-time Variable Bit Rate): When nrt-VBR is selected, the SCR
and MBS fields are enabled.
rt-VBR (real-time Variable Bit Rate): When rt-VBR is selected, the SCR and MBS
fields are enabled.
PCR
Peak Cell Rate, measured in cells/sec, is the cell rate which the source may
never exceed.
SCR
Sustained Cell Rate, measured in cells/sec, is the average cell rate over the
duration of the connection.
MBS
Maximum Burst Size, a traffic parameter that specifies the maximum number of
cells that can be transmitted at the peak cell rate.
Function buttons in this page:
Apply Changes
Set new PVC OoS mode for the selected PVC. New parameters will take effect after saving into flash
memory and reboot the system. See section “Admin” for save details.
Undo
Discard your settings.
5.1.2 ADSL Settings
The ADSL setting page allows you to select any combination of DSL training modes.

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