Software Configuration Overview
40
Model 3124 User Manual
3 • Configuration
ADSL Alarms
The Model 3124 provides the following ADSL alarms:
•
LOS (Loss of Signal) -Near End/Far End
•
LOF (Loss of Frame) -Near End/Far End
•
LOM (Loss of Margin) -Near End/Far End
•
LCD (Loss of Cell Delineation) -Near End/Far End
•
NCD (No Cell Delineation) -Near End/Far End
•
LOPWR (Loss of Power) -Far End
•
COMMF: Unable to communicate with peer modem -Far End
•
NOPEER: No peer present – Far End
Loopback Testing
The Model 3124 supports ATM and ADSL loop diagnostics.
•
ATM
:
The system provides F5 end-to-end or segment loopback.
•
ADSL
:
The system provides Dual Ended Loop Testing (DELT) for each
ADSL line on a per port basis, according
to the definition per section 8.12.3 of ITUT G992.3.
The following test parameters are supported:
-
Channel Characteristics Function H(f) per subcarrier (CCF-ps),
-
Quiet Line Noise PSD QLN(f) per subcarrier (QLN-ps),
-
Signal-to-Noise Ratio SNR(f) per subcarrier (SNR-ps),
-
Line Attenuation (LATN),
-
Signal Attenuation (SATN),
-
Signal-to-Noise Ratio Margin (SNRM),
-
Attainable Net Data Rate (ATTNDR),
-
Far-end Actual Aggregate Transmit Power (ACTATP),
-
Near-End Actual Aggregate Transmit Power (ACTATP).
