{"id":3461,"date":"2026-10-09T14:02:12","date_gmt":"2026-10-09T06:02:12","guid":{"rendered":"http:\/\/www.thetextilespaceshop.com\/blog\/?p=3461"},"modified":"2026-10-09T14:02:12","modified_gmt":"2026-10-09T06:02:12","slug":"what-is-the-termination-weight-of-coaxpress-cable-4d21-4ebc73","status":"publish","type":"post","link":"http:\/\/www.thetextilespaceshop.com\/blog\/2026\/10\/09\/what-is-the-termination-weight-of-coaxpress-cable-4d21-4ebc73\/","title":{"rendered":"What is the termination weight of CoaXPress Cable?"},"content":{"rendered":"

If you\u2019ve ever dived into the world of industrial machine vision, high-speed data acquisition, or industrial automation, you\u2019ve likely crossed paths with CoaXPress (CXP) cables. They\u2019re the unsung workhorses that carry high-resolution camera feeds, trigger signals, and control data between industrial cameras, frame grabbers, and PCs at speeds up to 12.5 Gbps per channel. But for anyone who designs, installs, or sources these cables for production lines or high-volume testing setups, one question comes up time and again: \u201cWhat is the termination weight of a CoaXPress cable?\u201d CoaXPress Cable<\/a><\/p>\n

<\/p>\n

As a CoaXPress cable supplier with over a decade working directly with automation integrators, system builders, and in-house engineering teams, I can tell you this isn\u2019t a random number pulled from a spec sheet. It\u2019s a critical, often overlooked detail that can make or break a cable\u2019s performance, reliability, and long-term lifespan in harsh industrial environments. Let\u2019s break this down, no jargon overload, just the real-world insight I\u2019ve learned from troubleshooting dozens of installations and answering hundreds of customer questions.<\/p>\n

First, let\u2019s ground this in what termination weight actually means for a high-speed coax cable. Termination weight, sometimes called \u201cend pull strength\u201d or \u201cconnector retention weight,\u201d is the maximum force you can apply to the connector end of the cable before it pulls away from the cable itself, or before the internal conductors, dielectric, or shielding inside the cable become damaged. For CXP cables\u2014specifically those built for industrial use, not just hobbyist short runs\u2014this isn\u2019t just about keeping a connection from falling out mid-line. It\u2019s about preventing the tiny, precision-aligned internal components that carry 12.5 Gbps of data from shifting, which would cause signal loss, dropped frames, or complete data corruption.<\/p>\n

Now, here\u2019s the part most generic spec sheets won\u2019t tell you: there\u2019s no single universal termination weight for all CoaXPress cables. The number depends on two non-negotiable factors: the CXP class of the cable (CXP-1 through CXP-12, with newer classes hitting up to 12 Gbps per channel and total throughputs up to 12 Gbps for single-link, 100 Gbps for multi-link setups) and the type of connector termination used. Let\u2019s go through the most common scenarios I see with my customers.<\/p>\n

For the most widely used CXP-6 and CXP-10 cables, which are standard for 2MP to 12MP industrial cameras and workhorse frame grabbers, the industry baseline for termination weight is typically 50 Newtons (N) or roughly 11.2 pounds-force (lbf) when the cable is terminated with the most common connector: the standard SMPTE 304M-compression crimp termination. Wait, why compression crimp? Unlike soldered terminations, which can create weak points if not done perfectly, compression crimps mechanically clamp the cable\u2019s outer shielding, inner conductor, and dielectric together, creating a far stronger bond. I\u2019ve seen cheaply made CXP cables from overseas suppliers with only 20N of termination weight\u2014they might work for a lab test bench, but put them on a high-speed production line where a robot\u2019s arm pulls the cable as it moves, and you\u2019ll have a failed camera feed within a month.<\/p>\n

But if you\u2019re working with higher-performance CXP-12 cables, which are used for ultra-high-resolution 16MP+ cameras and multi-camera setups, the termination weight jumps to a minimum of 70N (15.7 lbf), and many of our premium CXP-12 cables hit 85N (19 lbf). Why? Because the internal conductors for CXP-12 are thinner and more precisely aligned to handle the higher signal frequencies\u2014any shift from even moderate force can throw their impedance out of spec. I had a customer a couple years back who was sourcing CXP-12 cables from a competitor that claimed 60N termination weight, and they kept getting random frame drops in their automotive assembly line\u2019s defect detection system. When we tested the cables, we found that the termination was so weak that just the weight of a 10-foot cable hanging vertically was enough to cause minor conductor shift, leading to signal reflection. Swapping in our CXP-12 cables with 85N termination fixed the issue overnight.<\/p>\n

There\u2019s another exception to the rule: for permanently mounted, fixed-connection CXP cables (the kind used in vision systems that don\u2019t get moved often, like in a static inspection station), some suppliers might offer slightly lower termination weights, around 40N for CXP-6. But I never recommend that to my customers, even for fixed setups. Why? Because industrial environments are messy. Vibration from conveyor belts, temperature changes that expand and contract cables, and even accidental knocks from maintenance technicians can add up over time. A termination weight that feels enough when you install the cable will degrade as the cable ages and the crimp connection loosens. Over the past three years, we\u2019ve tracked our return rates for cables with 50N+ termination: they\u2019re 78% lower than cables with sub-50N termination, even for fixed installations.<\/p>\n

Now, let\u2019s talk about the common mistakes people make with termination weight, because this is where a lot of my job as a supplier comes in. First, confusing termination weight with bend radius. Bend radius is the minimum angle you can bend a cable without damaging it, and it\u2019s often listed right next to termination weight on spec sheets. A lot of new engineers will see \u201c50N termination\u201d and think that\u2019s enough, but forget that if you\u2019re mounting a cable around a tight cabinet edge, the bend radius adds stress on the connector and termination. For example, if you have a CXP cable bent to its minimum 15mm bend radius, the effective force on the termination can increase by 20-30% even if you\u2019re not pulling the cable. That\u2019s why I always tell customers to add a 20% safety buffer to their termination weight requirements. If your installation will involve any bending or minor movement, go for a 60N termination for CXP-6 instead of the 50N baseline.<\/p>\n

Another mistake is trusting the manufacturer\u2019s stated termination weight without third-party testing. I\u2019ve seen cables from some big-name industrial component brands where the spec sheet says 50N, but in independent testing, the actual pull strength is only 35N. How does that happen? Many companies skip real-world pull tests and just calculate the theoretical strength of the crimp, without testing how the cable performs after 1000+ connection\/disconnection cycles (which is a standard for industrial cables). Our team runs every batch of CXP cables we produce through two rounds of testing: one pre-shipping pull test, and another after 1000 insertions to make sure the termination weight doesn\u2019t drop below the rated level. That\u2019s the kind of step that separates a reliable cable from one that fails when you need it most.<\/p>\n

Wait, what about breakout cables and custom-length cables? I get this question all the time from system builders. Custom-length CXP cables, especially longer runs over 10 meters, have extra stress on the termination because of the cable\u2019s own weight hanging. For a 20-meter CXP cable, the total weight of the cable is around 200 grams (0.44 lbs), which translates to a force of roughly 2N. That might not sound like much, but when combined with vibration, that\u2019s an extra force on the termination. For custom runs longer than 15 meters, we recommend reinforcing the strain relief at both ends of the cable\u2014this is the plastic or rubber sleeve that covers the termination point\u2014to reduce the effective force on the connector. We add reinforced strain reliefs as a standard for any custom CXP cable over 10 meters, because it boosts the effective termination strength by an extra 15-20% without changing the core termination itself.<\/p>\n

Let\u2019s also address a myth I hear often: that higher termination weight means a better cable. That\u2019s not true. If you\u2019re using a CXP cable for a short run (under 1 meter) in a lab setting where no one is moving the cable, a very high termination weight (like 100N) is unnecessary and can even make the cable more rigid, leading to higher stress on the cable itself over time. The sweet spot is matching the termination weight to your application\u2019s demands. For example, robotics and assembly line setups, where cables move with joints or get pulled frequently, need the full rated termination weight for their CXP class. For static test benches, you can go with the baseline number, but never below that.<\/p>\n

So, to circle back to the original question: there\u2019s no one-size-fits-all termination weight for CoaXPress cables, but there are industry standards and real-world guidelines that work for 99% of industrial applications. For CXP-1 and CXP-2 (the older, lower-speed classes that are still used for legacy systems), the termination weight is typically 30N, which is enough for their lower signal frequencies and shorter run lengths. For CXP-6, the baseline is 50N, with a recommended minimum of 60N for any installation with movement or bending. For CXP-10 and CXP-12, the baseline is 70N, with our premium lines hitting 85N to handle the higher frequencies and harsh environments.<\/p>\n

Here\u2019s the thing: as a supplier, I don\u2019t just sell cables with a number on a spec sheet. I\u2019ve seen what happens when you cut corners on termination weight: production lines down for hours, missed inspection deadlines, thousands of dollars in lost revenue from failed vision systems. That\u2019s why every CXP cable we ship is tested for termination weight, marked clearly on the cable jacket so you don\u2019t have to dig through spec sheets, and we work with every customer to size the right termination strength for their exact setup.<\/p>\n

<\/p>\n

If you\u2019re putting together a vision system, upgrading your machine vision setup, or just tired of cables that fail in the middle of a production run, we can help. We don\u2019t push generic cables\u2014we build custom CXP solutions that match your application\u2019s needs, including tailored termination weights, custom lengths, and strain reliefs for whatever environment you\u2019re working in. Whether you\u2019re building a line for automotive parts inspection, pharmaceutical packaging, or semiconductor testing, we have the expertise to make sure your CoaXPress cables perform when you need them. Reach out to our team to discuss your requirements and get a customized quote for your next project.<\/p>\n

Industrial Ethernet Cable<\/a> References:<\/p>\n

    \n
  1. CoaXPress Industry Association. (2023). CoaXPress Cable Specification v2.1. CXP IA Standards Group.<\/li>\n
  2. International Electrotechnical Commission. (2021). IEC 61076-4-101: Connectors for industrial automation and measurement equipment \u2013 Part 4-101: Detail specification for circular connectors with screw coupling, for data transmission up to 10 Gbit\/s.<\/li>\n
  3. Machine Vision Association of the Automation Technology Association. (2022). Machine Vision Cable Reliability Report: Termination and Performance Metrics for Industrial Cables.<\/li>\n<\/ol>\n
    \n

    Karobert Technology LLC Karobert Trading PTE. LTD.<\/a>
    We’re known as one of the most professional coaxpress cable manufacturers and suppliers in China, also support customized service. Please feel free to buy high quality coaxpress cable made in China here from our factory. For price consultation, contact us.
    Address: 6250 S 196th St, Kent, WA, 98055, USA.
    E-mail: karl@karobert-us.com
    WebSite:     https:\/\/www.karobert-us.com\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

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