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Norstar 4-Port S/T Interface ISDN-BRI Cartridge (NT7B76AA)

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  • Supports four ISDN-BRI S/T Interfaces per cartridge
  • Interfaces can be individually configured to be a network interface or a station side equipment interface - use on the network side requires a customer supplied NT1 interface device
  • LED on cartridge faceplate gives visual indication of circuit status (activated or deactivated)


  • Compatible with Compact ICS core and Modular ICS core and Fiber Trunk Module
  • Requires Services Cartridge or Combination Services Cartridge on Compact ICS
  • Requires either the Services Cartridge or the Combination Fiber 6-Port Services Cartridge on the Modular ICS

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