ISDN Cofidec digital connection

Each Cofidec (Cofidec 1, Cofidec 2) processes:
  • Analysis: a digital to analog conversion with a digital input.
  • Simulation: an analog to digital conversion with a digital output.

Channel selection

  • Analysis time-slot. To select the TS of the current interface, connected to the digital input of the Cofidec.
  • Direction of analysed TS
    • Input. direction.
    • Output. direction.
  • Coding law
    • A-Law. ITU G711
    • µ-Law. ITU G711
    *This option is not available for the Clarinet-Book SCSI type.
    The A-Law is always fixed for the Clarinet-Book SCSI E1 type, whereas the µ-Law is always fixed for  the Clarinet-Book SCSI T1 type.
  • Simulation time-slot(s). To select one or more TS's of the current interface, connected to the digital output of the Cofidec.
    The implicit direction of the TS's is Output.

Gain of filters

  • Transmit filter. One value must be selected from the choice list.
  • Receive filter. One value must be selected from the choice list.
 

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updated:  27-Feb-04