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Communication Manager → 120A Series Integrated Channel Service Units (ICSU) → Avaya Definity 120A4 CSU - Channel Service Unit
Avaya Definity 120A4 CSU - Channel Service Unit

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  • Definity ICSU plugs directly into system back-plane, plugs directly into the DS1 Circuit Card I/O connector
  • Compatible with DS1/ISDN PRI Trunk Circuit Card (TN767E) and Universal DS1/ISDN PRI Trunk Circuit Card (TN464F)
  • DS1 CPE loop-back jack required when network provider does not install a smart jack
  • Includes clips and cable


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    Price: $1,050.00 


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