Avaya 120A3A Channel Service Unit Module – Refurbished 120A3A | Reliable Digital Line Connectivity

CONDITION: RE-MADE IN THE USA™ Refurbished

Part Number: 120A3A

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Product Description

Avaya 120A3A Channel Service Unit Module – Refurbished 120A3A is a professional-grade CSU designed to deliver dependable signal conditioning and digital line protection for Avaya networking systems. Ideal for maintaining T1 and other digital circuit performance, this module ensures clear communication and optimal data transmission across enterprise environments.

The Avaya 120A3A builds on the reliability of earlier 120A-series models, incorporating improved diagnostics and signal quality monitoring. Each unit is professionally refurbished, tested, and certified to meet OEM specifications—making it a cost-effective, high-performance solution for extending the life of existing Avaya infrastructure.

Perfect for organizations seeking stable connectivity and long-term hardware value, the Avaya 120A3A delivers consistent network integrity and compatibility with multiple Avaya platforms.


Features

  • Avaya 120A3A Channel Service Unit Module – Refurbished 120A3A

  • Provides digital line conditioning and protection for T1 circuits

  • Enhanced diagnostics for improved signal performance and monitoring

  • Compatible with Avaya enterprise and legacy network systems

  • Professionally refurbished and tested to OEM standards

  • Reliable, durable construction for continuous operation

  • Backed by RQ Communications’ limited functionality warranty

Q & A Section

Q: What is the Avaya 120A3A Channel Service Unit Module used for?
A: It provides line conditioning, diagnostics, and protection for T1 and similar digital circuits in Avaya systems.

Q: How is the 120A3A different from the 120A3 model?
A: The 120A3A includes improved diagnostic functionality and internal circuitry for enhanced reliability.

Q: Is this unit refurbished?
A: Yes. It’s professionally refurbished, tested, and certified to meet OEM specifications.

Q: Is the 120A3A compatible with older Avaya CSU models?
A: Yes, it’s backward-compatible with most Avaya 120A-series systems.

Q: Does this include a warranty?
A: Yes. All refurbished Avaya products from RQ Communications include a limited warranty for performance and functionality.

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