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Allen-Bradley 1786-TNCJ4 ControlNet TNC Coaxial Jack-to-Jack Connector – Technical Specifications and FAQ
Technical Specifications
| Item | Details |
|---|---|
| Brand | Allen-Bradley |
| Manufacturer | Rockwell Automation |
| Part Number | 1786-TNCJ4 |
| Product Series | ControlNet |
| Product Type | TNC Coaxial Connector |
| Main Function | Joins two ControlNet coaxial cable connections |
| Connector Configuration | Jack-to-Jack |
| Connector Interface | TNC female-to-female |
| Network Protocol | ControlNet |
| Compatible Cable System | 75 Ω RG-6 Quad-Shield Coaxial Cable |
| Nominal Impedance | 75 Ω |
| Application | ControlNet coaxial cable connection and extension |
| Operating Temperature | -20 to +80°C |
| 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 | 612598297047 |
FAQ
FAQ
Q1: What is the Allen-Bradley 1786-TNCJ4?
A: It is a ControlNet TNC coaxial connector used to join two compatible coaxial cable connections.
Q2: What type of connectors does it use?
A: It has a TNC jack-to-jack configuration, meaning female TNC connections on both sides.
Q3: What cable system is it compatible with?
A: It is designed for the 75-ohm coaxial media system used by ControlNet, typically using RG-6 quad-shield cable.
Q4: What is the main application of this connector?
A: It is used to connect or extend compatible ControlNet coaxial cable connections in industrial communication networks.
Q5: Is the 1786-TNCJ4 the same as the 1786-TNCLP4?
A: No. The 1786-TNCJ4 is jack-to-jack, while the 1786-TNCLP4 is plug-to-plug. They have different connector configurations.
Q6: What is its operating temperature range?
A: Rockwell Automation specifies -20 to +80°C.
Q7: What are the dimensions and weight?
A: Rockwell does not publish exact dimensions or weight for this connector. Confirm the actual product and packaging measurements with the supplier before arranging shipment.
Q8: Is the 1786-TNCJ4 still available, and what is its country of origin?
A: Rockwell discontinued it effective March 20, 2025, with no planned replacement. The country of origin varies by manufacturing location, so check the product label or shipping documents.
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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.
