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ADSL
4-51
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.
Summary of Contents for 7404BRA FRT
Page 2: ......
Page 7: ...COMPLIANCES vi ...
Page 11: ...TABLE OF CONTENTS iv ...
Page 25: ...CONFIGURING CLIENT PCS 3 2 ...
Page 62: ...FIREWALL 4 37 Access Control Add PC ...
Page 65: ...CONFIGURING THE BARRICADE 4 40 3 Click OK and then click APPLY to save your settings ...
Page 66: ...FIREWALL 4 41 Intrusion Detection ...
Page 75: ...CONFIGURING THE BARRICADE 4 50 Status ...
Page 83: ...CONFIGURING THE BARRICADE 4 58 ...
Page 107: ...CONFIGURING CLIENT TCP IP 5 24 ...
Page 115: ...CONFIGURE THE PRINT SERVER 6 8 ...
Page 119: ...TROUBLESHOOTING A 4 ...
Page 125: ...CABLES B 6 ...