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BLACK BOX EX 121A MODEL # 120B, US $40.00 – Picture 0
BLACK BOX EX 121A MODEL # 120B, US $40.00 – Picture 1
BLACK BOX EX 121A MODEL # 120B, US $40.00 – Picture 2
BLACK BOX EX 121A MODEL # 120B, US $40.00 – Picture 3
BLACK BOX EX 121A MODEL # 120B, US $40.00 – Picture 4
BLACK BOX EX 121A MODEL # 120B, US $40.00 – Picture 5
BLACK BOX EX 121A MODEL # 120B, US $40.00 – Picture 0
BLACK BOX EX 121A MODEL # 120B, US $40.00 – Picture 1
BLACK BOX EX 121A MODEL # 120B, US $40.00 – Picture 2
BLACK BOX EX 121A MODEL # 120B, US $40.00 – Picture 3
BLACK BOX EX 121A MODEL # 120B, US $40.00 – Picture 4
BLACK BOX EX 121A MODEL # 120B, US $40.00 – Picture 5

Black Box Ex 121a Model # 120b

US $40.00

  • Liberty Hill, Texas, United States
  • Jan 29th
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The Black Box EX 121A, model # 120B, is a line share device that is available for purchase. It has never been opened and is guaranteed to work. The device size is 2.3"H x 6.5"W x 7.3"D and weighs 2.4 lb. The technical specifications include a transparent data rate and a 2-wire interface type with a line type of 2-wire dial. Programming is done through the phone's DTMF tones, and the device has one B ringer equivalency. For those seriously interested, please contact us with your location, and we will estimate shipping and advise on our payment terms. Thank you. It comes with a 30-day warranty, and if the device is not in good working condition, it will be replaced within the warranty period. Please note that international shipping is discouraged due to high costs. The device has three ports for the FX121A operations and is full-duplex. The connectors include four RJ-11 ports, and the indicators are on. The customer will pay for shipping to ECW and back.
Condition New other (see details) :
A new, unused item with absolutely no signs of wear. The item may be missing the original packaging, or in the original packaging but not sealed. The item may be a factory second or a new, unused item with defects. See the seller’s listing for full details and description of any imperfections.
Seller Notes “NEW IN FACTORY BOX SHRINK WRAPPED NEVER OPENED AND GUARANTEED BY SELLER.”

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