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. Use on a single Modular-ICS or link multiple remote locations.

Features:

• 24-Channels ? Supports fractional T1
• The core Modular ICS Can support up to two DTI's for a total of forty-eight T1 or ISDN-PRI digital lines.
• RJ48 jack provides the interface to the T1 network.
• Channels can be configured to emulate either Loop-Start, E&M, or DID Trunks.
• Integrated Channel Services Unit (CSU) which provides line isolation, signal regeneration, and network performance monitoring. Can be turned off