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Avaya 120A4 CSU Module (Channel Service Unit)
Only $63.00
Avaya 120A4 CSU Module (Channel Service Unit)
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Avaya 120A4 CSU Module (Channel Service Unit)
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Avaya 120A4 CSU Module (Channel Service Unit)

SKU 4261 Refurbished (Grading Guide)
$63.00
Was $687.99 You Save $624.99
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1 Year
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Item Information
Avaya 120A4 CSU Module (Channel Service Unit)
 

Features

  • In combination with a DS1 circuit pack, it provides the essential functions of external CSUs
  • Small size, easier to install than external CSU
  • Does not require any option switch settings or DS1 cable
  • Vintage 2 and higher provide enhancements to support the payload loopback function available when the ESF framing format is selected (requires 700A loopback jack)

Compatibility

  • The Avaya 120A4 CSU Module is compatible with the following DS1 circuit packs:
    • TN464E to TN464HP
    • TN2464CP and earlier
    • TN767D or TN767E
    • TN2313 or TN2313AP
  • Supported on Definity, Multivantage, and Communication Manager servers that support TN circuit packs
PCL Certified Refurbished

Refurbished

Functionality 5 Stars
Cosmetics 4 Stars

All refurbished items are restored to full functionality, and their grades reflect only cosmetic condition. Lower-grade products may have more visible blemishes but are rigorously tested and cleaned to ensure identical performance and warranty coverage.

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Certified Refurbished
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Excellent Customer Service
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Supplying IT to Businesses Since 1991
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