Avaya 909B Universal Coupler



Avaya 909B Universal Coupler


  • Used with paging and music-on-hold equipment
  • Requires available port on TN763D Auxiliary Trunk circuit Pack
  • 909A is the DC version of the coupler and cabinet power supplies -48VDC power
  • 909B is the AC-powered version and power is supplied from a separate power supply (such as the 1151B1 power supply)

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