Product Description
Nortel Norstar NT7B74AAAA Digital Trunk Interface
The Nortel NT7B74AAAA is a digital trunk interface card for Norstar MICS phone systems. The Nortel NT7B74AAAA offers 24 digital T1 (DS0) or ISDN-PRI channels. The Nortel NT7B74AAAA has a built in channel service unit (CSU) that provides the termination of the digital T1 circuit. The Nortel NT7B74AAAA requires the use of a services cartridge or combo fiber 6 port services cartridge. Licensing is required to make the NT7B74AAAA digital trunk interface operate as a PRI card.
Nortel NT7B74AAAA Features:
- Provides 24 Digital T1 or ISDN-PRI Channels
- Integrated CSU
- Requires Services Cartridge or Fiber 6 Port Services Cartridge
- Core Modular ICS supports up to two NT7B74AAAA
Includes:
- (1) NT7B74AAAA Digital Trunk Interface
- 1 Year Warranty
