Filter editor: E1 decoding

Selecting

  • All. All the conditions are selected.
  • None. None of the conditions is selected.
  • Alarms from Network/User. Indications of direction are used as qualifiers and combined with each condition of alarm type.
    • No. There is not any selected conditions on alarms occurring from the related side.
    • Yes. There can be selection of alarms occurring from the related side, in combination with the conditions.
  • Conditions. One condition or several ones can be independently selected in the list.
    • No. The condition is not selected (by default).
    • Yes. The condition is selected.

List of conditions

  • CRC error. Events reporting a CRC4 error.
  • Clock slip. Events reporting a clock slip.
  • Alarm modes. Relating to alarm states :
    • Current state. To select the events reporting actual states of the alarm(s) going On or Off.
    • Transition. To select the events reporting any transition of the alarm(s) going On or Off.
  • Alarms of Frame type. According to G704 Recommendation :
    • FL. Events reporting a loss of frame alignment.
      PVT in french.
    • ALM. Events reporting an alarm indication to the remote end.
      PVTd in french.
    • CRC. Events reporting a loss of CRC multi-frame alignment.
    • AIS. Events reporting an alarm indication signal (2 Mbits).
      SIA in french..
    • AIS64K. Events reporting an alarm indication signal (TS 16).
    • Sa7 bit. Events reporting the state of the Sa7 bit.
  • Alarms of Multiframe type. According to G704 Recommendation :
    • MFL. Events reporting a loss of multi-frame alignment (abcd signalling).
      PVMT in french.
    • ALM. Events reporting an alarm indication to the remote end (abcd signalling).
      PVMTd in french.

 


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updated:  27-Feb-04