Norstar M12x0 Fiber Trunk Module NTBB20FB

SKU: NTBB20FB Categories: , Tags: ,



Norstar M12x0 Fiber Trunk Module NTBB20FB

  • (Model# NTBB20FB)


  • Add up to 3 more trunk cartridges – Provides 3 additional slots that support all analog trunk cartridges – LS/DS, CI, DID, and E&M
  • Emergency transfer port – Provides on emergency transfer port for power outages
  • ISDN-BRI – ISDN BRI cards are supported on Trunk Modules 3 and 4 (2-port expansion) or Trunk Modules 7 and 8 (6 or 12-port expansion)
  • T1/PRI – Digital trunk interface (DTI) cartridges are supported in slot 1 of first 12×0 Fiber Trunk Module in MICS 5.0 or higher


  • The Norstar M12X0 Fiber Trunk Module is compatible with all releases of Norstar Modular ICS
  • To add the Norstar M12X0 Fiber Trunk Module to your Norstar Modular ICS main cabinet, you will need one of the following fiber expansion cartridges:
    • 2-Port Fiber Expansion Cartridge
    • 6-Port Fiber Expansion Cartridge
    • 6-Port Combination Fiber Services Cartridge

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