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Chapter 25: Monitoring Subscriber Connections
Avidia System Configuration and Management User Manual 511
The SDSL Loop Status window provides the following information. Network indicates statistics for
the upstream direction, toward the network.
Customer indicates statistics for the downstream
direction, toward the customer.
Status Box Description
Card
Slot
Port
The description, slot number and port number of the
SDSL card for which the statistics are displayed.
Margin (1/10 dB) (Network/Customer) The signal-to-noise ratio of the received signal in
1/10 dB.
• Low indicates the lowest margin that occurred
since the SDSL loop synchronized.
• Current indicates the current margin.
• High indicates the highest margin that occurred
since the SDSL loop synchronized.
Pulse Attenuation (1/10 dB)
(Network/Customer)
The measured difference between the total signal
power transmitted by the sending unit and the total
signal power received by the receiving unit in 1/10 dB.
24 Hour ES The number of errored seconds that have occurred
within the last 24 hours.
24 Hour UAS The number of unavailable seconds that have occurred
within the last 24 hours.
Total LOS The number of loss of signal conditions that have
occurred within the last 24 hours.