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Norstar 4-Port U Interface ISDN-BRI Cartridge (NT7B87GA)

Like New: $275.00


  • Supports four ISDN-BRI U Interfaces per cartridge
  • Integrated Network Termination Type 1 (NT1) functionality
  • Interfaces can be individually configured to be a network interface or a station side equipment interface
  • 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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