Nortel NT5D97AA Dual Port PRI/ISDN Circuit Card Module

Overview

The Nortel NT5D97AA Dual Port PRI/ISDN Circuit Card Module is a high performance interface solution designed for enterprise telephony and carrier grade equipment. This compact, hot-swap card provides two independent PRI or ISDN BRI ports in a single module, allowing seamless integration of voice and data services on Nortel communication platforms. Engineered for reliability and low latency, the NT5D97AA delivers crystal clear voice quality while supporting a wide range of signalling protocols.

Key Features

• Dual independent ports configurable as PRI or ISDN BRI
• Supports up to 30 B channels per PRI port
• Full compliance with ITU-T Q.931 and Q.921 signalling standards
• Hot-swap capable for zero-downtime maintenance
• Low power consumption and compact form factor
• Built-in error detection and automatic alarm reporting

Technical Specifications

• Model number: NT5D97AA
• Manufacturer: Nortel
• Port types: 2 x PRI (E1/T1) or 2 x ISDN BRI
• Channel capacity: 30 B channels per PRI, 2 B channels per BRI
• Signalling: D channel (Q.931) with optional CAS or CCS
• Power supply: 12 VDC, 500 mA per card
• Operating temperature: 0 to 55 degrees Celsius
• Dimensions: 4.2 in (height) x 8.5 in (width) x 1.0 in (depth)
• Connector type: RJ-48C for PRI, RJ-45 for BRI

Typical Applications

• Enterprise PBX back-to-back connections
• Carrier aggregation points for voice over IP gateways
• Remote office extensions using ISDN BRI lines
• Call centre environments requiring high channel density
• Integration of legacy ISDN services with modern IP telephony

By choosing the Nortel NT5D97AA Dual Port PRI/ISDN Circuit Card Module, businesses gain a flexible, scalable interface that simplifies network architecture while delivering dependable voice performance across a variety of telecommunication scenarios.