Nortel Phone Image Refurbished Phone Image
Service Cartridge NTBB24
NTBB24
  • The NTBB24 provides the clocking service necessary for digital networks.
  • Required if using DTI cartridge(s) or ISDN-BRI Interface cartridge(s).
  • One Services cartridge supports all clocking required, regardless of the number or mixture of DTIs and/or ISDN-BRI Interface cartridges.
  • Uses Slot B of the core ICS, and cannot be used if a Copper Expansion Upgrade Cartridge is installed.
  • The NTBB24 is compatible with the Modular ICS core only.