E1/T1 (Trunk/ISDN/QSIG/SS7)
& ISDN-BRI Interface specifications
- SIGNALLING LINK

Emulation mode. Behaviour on SL selected from a choice list:

  • Analysis only. Monitoring of BOP events on SL.
  • Simulation and analysis. Simultaneous monitoring of BOP events and simulation on SL.
    •

    Channel specification. TS allotment for SL (only for E1/T1)

  • TS time-slot. Selection of the TS whose TRANSMIT direction is alloted to SL.
  • RS time-slot. Selection of the TS whose RECEIVE direction is alloted to SL.
    •

    Idle mode. Filling between frames on SL

  • Mark idle. "Permanent 1" after one closing FLAG
  • Flag idle. Continuous HDLC FLAGS.
    •

    Use CCITT #7 protocol. Structure of data used to record the events monitored on SL.
    In simulation mode, data type used on SL.

  • No. The standard HDLC frame envelope mode. One BOP event is generated for each frame.
  • Yes. The specific SS7 protocol mode: event generation is carried out with processing of the frame repetitions.
    •

    56K rate adaptation:

    • No. The selected TS is used as 64Kbits data channels.
    • Yes. The selected TS is used as 56Kbits data channels.

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    updated:  27-Feb-04