DHS-200 Digital Intercommunication System

DHS-200 Series is a Digital Intercommunication Systems (ICS) family. The System provides communication between aircraft crewmembers, managing communication equipments, and integrating audio and intercom facilities together with all audio caution and warning messages.

DHS-200 provide reliable and high intelligible high quality audio communication for noisy military environments. Architecture of DHS-200 Series provides redundancy of all critical functions.

DHS-200 Series are capable of supporting different pre-programmed ICS configurations. It can be easily configured without any hardware changes.


  • Digital Audio Control Panel (DACP) (User interface for adjustments and selections)
  • Digital Audio Distribution Unit (DADU) (Audio distribution for control panels)
Important Features


  • Radio Receiver/Transmitter Channels Control
  • Navigation Receiver Channels Control
  • Controlled and Uncontrolled Direct Receiver Channels Support
  • Interphone Channel Management
  • Voice Operated Transmit (VOX) Capability
  • Sidetone Capability
  • Remote Radio Transmit Selection Available for HOCAS Operation
  • Radio Relay Functionality
  • Voice Recorder Output
  • BIT (Built-In Test) Capability
  • Tone Generation and Control


  • EMI/EMC: MIL-STD-461
  • Environmental: MIL-STD-810
  • Power: MIL-STD-704

Physical Specifications

  1. Dimensions
    • DACP: 76 mm (H) x 146 mm (W) x 179 mm (D)
    • DADU: 260 mm (H) x 200 mm (W) x 75 mm (D)