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NT7B74GA - Norstar Digital Trunk Interface(DTI)
NT7B74GA - Norstar Digital Trunk Interface(DTI)
Part Number: NT7B74GA

2 year Warranty Details
Part Number:
NEW Condition Price:$145.00
LIST Price:$118.75
Sale Price:$95.00

: Usually Ships in 24 to 48 Hours
Product Code: NT7B74GA



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.


  • 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

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