Articles tagged with lof

  1. T1/T3 Alarms

    Posted on in Networking

    The following is a list of alarms you may receive on your T1 or T3 (or E1/E3) interface. Where applicable, troubleshooting hints are included.

    Loss of Signal (LOS)

    A Loss of Signal (LOS) alarm indicates that the interface is not receiving a valid T1 or T3 signal. This is …

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