NEC 4 Circuit Central Office Interface Unit with Caller ID

(Model # 750440)


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  • $232.70

  • Availability:
  • In Stock
  • Condition
The Central Office Caller ID ETU detects Caller ID signals from the central office and sends caller identification to the CPUB()-U10 ETU and supports four outside (CO/PBX) lines.
  • Supports four outside (CO/PBX) lines
  • Only works with Caller ID lines
SKU Condition
750440-R Refurbished
750440 Like New