Avaya 120A6A Channel Service Unit Module 120A6 – Refurbished Advanced CSU for Reliable T1 Connectivity
CONDITION: RE-MADE IN THE USA™ Refurbished
Part Number: 120A6
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Product Description
Avaya 120A6A Channel Service Unit Module 120A6 is the latest evolution in Avaya’s 120A-series CSU lineup, designed to deliver precise digital line conditioning, enhanced diagnostics, and superior signal reliability for T1 and other digital circuits. Each unit is professionally refurbished, tested, and certified to meet original OEM standards — offering exceptional value and longevity for enterprise-grade network systems.
Engineered for dependable performance, the Avaya 120A6A Channel Service Unit Module 120A6 provides advanced error monitoring, circuit protection, and line management to ensure continuous, clear communication between customer premises and carrier networks. The 120A6A enhances diagnostic visibility and network stability, making it the preferred choice for maintaining or upgrading Avaya infrastructures.
With its proven reliability and robust build, this module helps organizations extend the life of legacy Avaya systems while maintaining consistent, high-quality network operation at a fraction of new hardware cost.
Features
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Avaya 120A6A Channel Service Unit Module 120A6 – fully refurbished and certified
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Advanced diagnostics and signal monitoring for T1 and digital lines
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Provides superior line protection and error correction
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Compatible with a wide range of Avaya systems and gateways
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Compact, rack-mountable form factor for efficient installation
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Tested to OEM standards and backed by RQ Communications warranty
Q & A Section
Q: What is the purpose of the Avaya 120A6A Channel Service Unit Module?
A: It provides digital line conditioning, signal monitoring, and protection for T1 circuits in Avaya systems, ensuring stable network connectivity.
Q: How does the 120A6A differ from earlier models like the 120A5?
A: The 120A6A offers upgraded diagnostic tools, improved performance monitoring, and enhanced reliability for demanding network environments.
Q: Is this a refurbished product?
A: Yes. Each Avaya 120A6A unit is professionally refurbished, fully tested, and certified to OEM specifications.
Q: Does it come with a warranty?
A: Yes. All refurbished Avaya components from RQ Communications include a limited warranty covering functionality and reliability.
Q: Can I order multiple Avaya 120A6A units for deployment?
A: Absolutely. Volume pricing and enterprise configurations are available — please contact our sales team for details.



