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TN753B Direct Inward Dial Trunk Circuit Card

Like New: $55.00
This product is eligible for 2 Year Platinum Protection!

TN753 Features

  • 8-ports used for immediate-start and wink-start direct inward dialing (DID) trunks
  • Each port has tip and ring signal leads
  • TN753B required to support  Brazil Block Collect Call

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