Event Log; Dr. Dsl Results; Background Test Results - JDS Uniphase HST-3000 User Manual

Chapter 3 Interpreting Test Results
Modem emulate results

Event log

Dr. DSL results

Background test
results
64
This category provides a running log of significant modem
events and errors.
This category provides the results of the optional Dr. DSL
diagnostic test. This function is only available on Infineon
SIMs.
Table 13 describes the Background test results.
Table 13 Dr. DSL Background test results
Result
Faults
Missing Microfilter
Metallic Fault
Severe Impulse Noise
Noisy Power Supply
Rate Reduction Estimates
Cause
Up Rate lost
Down Rate lost
Topology Estimate
Signal Path
Length
HST-3000 ADSL2 Testing User's Guide
Definition
Was there a missing microfilter? Yes,
No, Maybe, Unknown
Was there a short? Yes, No, Maybe,
Unknown
Was there severe impulse noise
found? Yes, No, Maybe, Unknown
Is there a harmonic disturber that is
likely caused by a CRT or power sup-
ply? Yes, No, Maybe, Unknown
The likely cause of rate loss.
The amount of upstream rate loss that
is occurring due to the interference.
The amount of downstream rate loss
that is occurring due to the interfer-
ence.
Main path or bridged tap
Lenght in feet of the main signal path.