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ADSL
4-55
Parameter
Description
Status
Line Status
Shows the current status of the ADSL line.
Data Rate
Upstream
Actual and maximum upstream data rate.
Downstream
Actual and maximum downstream data rate.
Operation Data/
Defect Indication
Noise Margin
Upstream
Minimum noise margin upstream.
Downstream
Minimum noise margin downstream.
Output Power Maximum fluctuation in the output power.
Attenuation
Upstream
Maximum reduction in the strength of the upstream signal.
Downstream
Maximum reduction in the strength of the downstream signal.
Fast Path FEC
Correction
There are two latency paths that may be used: fast and
interleaved. For either path a forward error correction (FEC)
scheme is employed to ensure higher data integrity. For
maximum noise immunity, an interleaver may be used to
supplement FEC.
Interleaved Path
FEC Correction
An interleaver is basically a buffer used to introduce a delay,
allowing for additional error correction techniques to handle
noise. Interleaving slows the data flow and may not be
optimal for real-time signals such as video transmission.
Fast Path CRC
Error
Indicates the number of Fast Path Cyclic Redundancy Check
errors.
Interleaved Path
CRC Error
Indicates the number of Interleaved Path Cyclic Redundancy
Check errors.
Loss of Signal
Defect
Momentary signal discontinuities.
Loss of Frame
Defect
Failures due to loss of frames.
Summary of Contents for 7404WBRA
Page 2: ......
Page 10: ...COMPLIANCES vi ...
Page 14: ...TABLE OF CONTENTS x ...
Page 26: ...INSTALLATION 2 8 ...
Page 28: ...CONFIGURING CLIENT PCS 3 2 ...
Page 57: ...WIRELESS 4 29 MAC Address Filtering ...
Page 60: ...CONFIGURING THE BARRICADE 4 32 Virtual Server ...
Page 67: ...FIREWALL 4 39 Access Control ...
Page 69: ...FIREWALL 4 41 Access Control Add PC ...
Page 72: ...CONFIGURING THE BARRICADE 4 44 3 Click OK and then click APPLY to save your settings ...
Page 73: ...FIREWALL 4 45 Intrusion Detection ...
Page 82: ...CONFIGURING THE BARRICADE 4 54 Status ...
Page 90: ...CONFIGURING THE BARRICADE 4 62 ...
Page 114: ...CONFIGURING CLIENT TCP IP 5 24 ...
Page 132: ...CABLES B 6 ...
Page 135: ......