Products Description
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Allen-Bradley 1786-TNCLXT4 ControlNet IP67 TNC 75-Ohm Terminator Plug – Technical Specifications and FAQ
Technical Specifications
| Item | Details |
|---|---|
| Brand | Allen-Bradley |
| Manufacturer | Rockwell Automation |
| Part Number | 1786-TNCLXT4 |
| Product Series | ControlNet |
| Product Type | IP67 TNC Coaxial Terminator Plug |
| Main Function | Terminates the end of a ControlNet coaxial trunk segment to prevent signal reflections |
| Connector Type | TNC male plug |
| Connector Configuration | Single TNC terminator plug |
| Nominal Impedance | 75 Ω |
| Network Protocol | ControlNet |
| Compatible Media | ControlNet 75 Ω coaxial cable system |
| Protection Rating | IP67 when properly installed and sealed |
| Operating Temperature | -20 to +80°C |
| Installation | Connected to the TNC port of a ControlNet tap at the end of a trunk segment |
| Package Quantity | Not confirmed in the official product listing |
| Dimensions | 50 × 20 × 40 mm |
| Weight | 0.1 kg |
| Country of Origin | Multiple countries, depending on manufacturing location |
| Lifecycle Status |
Discontinued
March 20, 2025 |
| UPC | 612598286263 |
FAQ
FAQ
Q1: What is the Allen-Bradley 1786-TNCLXT4?
A: It is a ControlNet IP67-rated TNC coaxial terminator plug used to terminate the end of a ControlNet trunk cable segment.
Q2: What is the main function of this terminator?
A: It provides a 75-ohm termination that absorbs signal energy at the end of the coaxial cable, helping prevent signal reflections and communication errors.
Q3: What type of connector does it use?
A: It uses a male TNC threaded coaxial connector designed for compatible ControlNet IP67 taps.
Q4: What is the impedance rating?
A: It has a nominal impedance of 75 ohms, matching the ControlNet coaxial media system.
Q5: Is the 1786-TNCLXT4 waterproof?
A: It is designed for IP67-rated ControlNet media installations when correctly connected and sealed. Proper installation is necessary to maintain the protection rating.
Q6: What is the difference between 1786-TNCLXT4 and 1786-XT?
A: The 1786-TNCLXT4 is a TNC 75-ohm terminator for compatible IP67 media taps, while the 1786-XT is a BNC terminator for standard ControlNet coaxial taps.
Q7: What are the dimensions and weight?
A: Rockwell does not publish exact dimensions or weight. Please confirm the physical and packaged measurements with the supplier before arranging freight.
Q8: What is the country of origin and lifecycle status?
A: Rockwell lists multiple possible countries of origin depending on manufacturing location. The product was discontinued effective March 20, 2025, with no planned Rockwell replacement.
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Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
