Description
- Provides the clocking service necessary for digital services
- 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
- Cannot be used if a Copper Expansion Upgrade Cartridge is installed
- Also see 6-Port Slim Fiber Combination Services Cartridge
- Compatible with the Modular ICS core only