The Digital Trunk Interface (DTI) cartridge provides access for up to 24 digital T1 or ISDN-PRI channels. It comes equipped with built-in Channel Service Unit (CSU) functionality to support the integrity of digital signaling.
The core Modular ICS can support up to two DTI's for a total of 48 T1 or ISDN-PRI (digital) lines. DTIs cannot be installed in Trunk Modules.
Requires either the Services Cartridge or the Combination Fiber 6-Port Services Cartridge.
Compatible with the Modular ICS core only. ISDN-PRI Enabler Soft Key
The ISDN-PRI Enabler Soft Key is required to configure the Digital Trunk Cartridge (DTI Card) as a PRI card.
