4. Multiplex communications
  5. Wide area network
  6. Packet switching

Ralf Lehnert

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Switching network and switching network control for a switching

Multiplex communications – Wide area network – Packet switching
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Traffic simulator for testing exchanges taking the subscriber-sy

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of centralized switching system
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Profile ID: LFUS-PAI-P-922434

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