Norstar Service Cartridge NTBB24GA-93 Feature Highlights:
This service cartridge uses slot "B" in the core Modular ICS unit.
It provides the clocking service that is required for digital networks.
It is required if you are using DTI cartridges or ISDN-BRI Interface
cartridges. The Services Cartridge supports all clocking that is needed on the
Norstar system, regardless of the quantity or mixture of DTIs or
ISDN-BRI cartridges.
This cartridge cannot be used if a Copper Expansion Upgrade Cartridge is installed.
This unit is compatible only with the Modular ICS core unit.
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