Key Features:

• Mfr. Part #: NTBB24GA-93
• Provides the clocking service for digital services
• Required if using DTI cartridge(s) or ISDN-BRI Interface cartridge(s)
• One service cartridge supports all clocking required, regardless of the number or mixture of DTIs and/or ISDN-BRI Interface cartridges
• Uses Slot 1 of the core ICS and cannot be used if a Copper Expansion Upgrade Cartridge is installed
• Compatibility: Modular ICS core only