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Avaya Lucent TN2224B AT&T Digital Line Card

Avaya Lucent TN2224B AT&T Digital Line Card
Avaya Lucent TN2224B AT&T Digital Line Card
Overview The Avaya Lucent TN2224B AT&T Digital Line Card is a high-performance interface module designed for legacy AT&T digital circuit environments. Engineered to deliver reliable voice and data transmission, this line card integrates seamlessly in... Read More
price
$22.95
  • In Stock: 2
  • Manufacturer: Avaya Lucent
  • Model or Part: TN2224B
  • Condition: Refurbished
  • Weight: 5.00lb
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Item Condition

New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

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Overview

The Avaya Lucent TN2224B AT&T Digital Line Card is a high-performance interface module designed for legacy AT&T digital circuit environments. Engineered to deliver reliable voice and data transmission, this line card integrates seamlessly into Avaya communication platforms, extending the life of existing digital trunks while supporting modern network demands.

Key Features

  • Supports up to 24 digital channels per card for maximum capacity
  • Compatible with AT&T PRI and T1/E1 digital services
  • Plug-in design simplifies installation and reduces downtime
  • Built-in diagnostics and alarm monitoring for proactive maintenance
  • Low power consumption and heat output for efficient rack utilization
  • Robust aluminum housing provides protection against environmental stress

Technical Specifications

  • Model/Part Number: TN2224B
  • Manufacturer: Avaya Lucent
  • Channel Capacity: 24 digital channels
  • Interface Type: AT&T digital line (PRI, T1/E1)
  • Signalling: ISDN PRI, D channel signalling
  • Power Supply: 48 VDC, 2.5 A max
  • Operating Temperature: 0 to 55 deg C
  • Dimensions: 4U rack mount, 445 mm height
  • Weight: 5.5 kg

Applications

This line card is ideal for enterprises, contact centers, and service providers that rely on legacy AT&T digital trunks for voice and data transport. It is commonly used in:

  • Large office PBX installations requiring high channel density
  • Call center environments that need reliable PRI connections for inbound and outbound traffic
  • Telecom carrier back-office equipment where integration with existing digital infrastructure is required
  • Government and education networks that maintain legacy digital circuits alongside newer IP solutions

By choosing the Avaya Lucent TN2224B, organizations gain a dependable bridge between traditional digital services and contemporary communications platforms, ensuring continuity, scalability, and cost-effective operation.