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Relative Capacity: Is the relative capacity occupation of ADSL line. This
parameter represents the ratio of the achieved line rate over the attainable line
rate, expressed in percentage. Both line rates are the sum of ATM speed rate
and all the overhead data.
Noise margin: is the realised noise margin of the line.
Attenuation: Is the line attenuation on entire ADSL bandwidth, it's the difference
between the reference transmitted signal power and the received power of all
tones.
Output power: is the total output power measured in upstream and downstream
sides.
All data are reported for downstream (DOWN), network to user
side, and upstream (UP), user to network side, links.
For saving the result in the test set memory.
For printing out the result of the test.
3.4. ATM Ping
With this test it's possible to verify if the ATM layer is working fine until the first
ATM termination unit.
This test allows the OAM cells test with Response time (ms), errors and statistic
results.
In order to perform this test the ADSL tester must be equipped by
the ATM2061 option.
Open the TEST MENU.
Select ADSL Access, ATU-R mode.
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D2061 ADSL TESTER