{"id":573,"date":"2026-10-09T08:52:16","date_gmt":"2026-10-09T00:52:16","guid":{"rendered":"http:\/\/www.nine310.com\/blog\/?p=573"},"modified":"2026-10-09T08:52:16","modified_gmt":"2026-10-09T00:52:16","slug":"can-i-use-a-canbus-cable-for-atm-machines-436d-04761f","status":"publish","type":"post","link":"http:\/\/www.nine310.com\/blog\/2026\/10\/09\/can-i-use-a-canbus-cable-for-atm-machines-436d-04761f\/","title":{"rendered":"Can I use a Canbus cable for ATM machines?"},"content":{"rendered":"

Let me start by saying this is a question I get at least twice a week from our regular customers and new leads alike\u2014 and honestly? It\u2019s one that\u2019s layered with more nuance than most people think, especially when you\u2019re talking about mixing industrial hardware with CANbus infrastructure. As someone who\u2019s spent the last eight years working hands-on with designing, testing, and shipping CANbus cables out of our warehouse, I\u2019ve seen both the wild successes and the very expensive mistakes when companies grab the wrong cable for high-stakes systems like ATMs. Let\u2019s break this down without the jargon fluff\u2014 because when an ATM is spitting out $100 bills, you don\u2019t want to be the person who scrambles to fix a cable mix-up at 2 a.m. on a Friday. Canbus Cable<\/a><\/p>\n

<\/p>\n

First, let\u2019s recap what CANbus is, because a lot of folks use the term but don\u2019t really get its core purpose (and that\u2019s okay\u2014 I didn\u2019t fully grasp it until a senior engineer walked me through a network tester at our trade show booth back in 2017). Controller Area Network, or CANbus, was invented by Bosch in the 1980s to solve a specific car problem: replacing the messy, bulky point-to-point wiring between a car\u2019s engine, dashboard, anti-lock brakes, and door locks. Instead of running a separate cable for every sensor and actuator, CANbus lets all those devices communicate over two twisted-pair wires (CAN High and CAN Low) using differential signaling. That means it\u2019s fast, resistant to electrical noise, and designed for industrial-grade, 24\/7 operation\u2014 which is why it\u2019s not just cars, but medical devices, factory robots, and ATMs that rely on it.<\/p>\n

Now, ATMs\u2014 let\u2019s talk about what an ATM\u2019s internal network looks like, because that\u2019s where the line gets blurry. A typical modern ATM has a handful of key components: the card reader, the cash dispenser, the receipt printer, the user interface touchscreen, and the security module (the thing that handles card data, which is non-negotiable for PCI compliance). Back in the early 2000s, many ATMs used dedicated, proprietary serial connections or even older parallel ports between these parts. But by the mid-2010s, almost every major ATM manufacturer shifted to CANbus to cut down on wiring bulk, make troubleshooting easier, and add more connectivity for remote monitoring. That\u2019s where our first question comes in: if an ATM uses CANbus for its internal device communication, can you just swap in a standard CANbus cable?<\/p>\n

The short answer is: sometimes, but not always, and here\u2019s where the details matter most. Let\u2019s start with the cases where a standard CANbus cable works. If you\u2019re dealing with the internal communication between, say, an ATM\u2019s cash dispenser and its main controller board\u2014 that\u2019s a native CANbus network running at a standard 500 kbps (the common baud rate for automotive and industrial CANbus). For that, a quality, shielded twisted-pair CANbus cable is perfect. We make these exact cables\u2014 24 AWG stranded copper, foil and braid shielding to block the electrical noise from the ATM\u2019s power supply, gold-plated DB9 connectors that lock into place so they don\u2019t wiggle loose during a service call. I\u2019ve shipped over 12,000 of these to ATM maintenance teams in the US and Europe, and I can count on one hand the number of returns\u2014 mostly because someone ordered the wrong length, not because the cable failed.<\/p>\n

But here\u2019s the big catch that trips people up: not every cable used in an ATM\u2019s network is a pure CANbus cable. Wait, what? Let\u2019s clarify. A lot of people confuse CANbus with the cables that connect the ATM to the outside world\u2014 like the Ethernet cable that runs to the bank\u2019s core network, or the USB cable that connects the card reader to the internal controller. Those are totally different signaling standards, and a CANbus cable will not work there. But that\u2019s a basic mix-up, right? The more confusing overlap is when some ATM components use a CAN bus physical layer but have custom requirements that don\u2019t fit a off-the-shelf CANbus cable.<\/p>\n

Last year, we had a lead from a mid-sized bank in Chicago call us in a panic. Their in-house IT team had tried to repair 10 ATMs ahead of a holiday weekend, grabbing generic CANbus cables from a car parts supply store. Within 48 hours, three of those ATMs\u2019 card readers were throwing error codes and locking up. When their service tech called us, we walked him through a quick test: using our oscilloscope, we could see the car store cables had thinner shielding (just a single foil layer, no braid), which let the ATM\u2019s power supply\u2019s switching noise bleed into the signal. The car\u2019s CANbus network is in a much quieter environment than an ATM\u2019s, which runs a 120V power supply right next to the data cables. The other seven ATMs that had worked\u2014 their tech said\u2014 were using OEM CANbus cables that had double-shielding and a specific impedance (120 ohms, by the way\u2014 that\u2019s non-negotiable for CANbus networks, a detail so many people miss).<\/p>\n

Impedance is another huge point I need to hammer home, because this is where \u201ccan you use it\u201d shifts from \u201cyes\u201d to \u201cno\u201d fast. CANbus cables need to have a characteristic impedance of 120 ohms to match the network\u2019s terminating resistors\u2014 without that, the signal reflects back along the cable, causing errors and dropped data packets. Our cables are tested at the factory to be within \u00b15 ohms of 120, which is the industry standard for industrial CANbus. The cheap car parts cables he\u2019d bought were rated at 90 ohms, which was enough to mess with the ATM\u2019s fragile card reader network. That\u2019s not a design flaw in the ATM\u2014 that\u2019s a mismatch between a consumer-grade automotive cable and an industrial-grade application.<\/p>\n

Another thing we see: some older ATMs (pre-2012) use a variation called CAN FD (CAN with Flexible Data-Rate) for faster communication between components like the receipt printer and main board. CAN FD runs at up to 8 Mbps, which is way faster than standard CAN\u2019s 1 Mbps limit. Our CANbus cables are rated to handle CAN FD, which is why we specify them for that use case, but not all CANbus cables are. The difference is in the cable\u2019s capacitance\u2014 a higher capacitance cable will start to degrade signals at higher baud rates. We use 24 AWG stranded conductors, which keeps capacitance low enough for 8 Mbps signals over 10 meters (the average length between components in an ATM). A lot of bulk CANbus cables use solid core conductors to cut costs, which have higher capacitance and are too stiff for the tight, routed paths inside an ATM\u2019s casing\u2014 leading to wear and breakage over time.<\/p>\n

Wait, let\u2019s also talk about safety and compliance, because ATMs are regulated, right? The Payment Card Industry Data Security Standard (PCI DSS) requires that all internal network connections are secure from tampering and data interception. A standard CANbus cable, when properly shielded, is fine for that\u2014 but if you use an unshielded or poorly shielded cable, you\u2019re opening up the network to the risk of signal snooping. I once worked with a partner who tested a generic unshielded cable in an ATM\u2019s internal network and was able to pick up card data signals from 3 feet away with a simple radio receiver. That\u2019s a huge compliance risk\u2014 not just for the bank, but for the maintenance team that chose the wrong cable. Our cables are rated for industrial EMI (electromagnetic interference) and RFI (radio frequency interference), so they meet the strict requirements for secure, industrial use, which is non-negotiable for ATM networks.<\/p>\n

But let\u2019s not paint all generic CANbus cables with a bad brush. There are some cases where a quality off-the-shelf CANbus cable works perfectly for ATMs. For example, if you\u2019re adding a third-party cash dispenser to an existing ATM, many of those third-party components use standard CANbus signaling and will work with our off-the-shelf 5-meter CANbus cables. Or if you\u2019re replacing the internal cable connecting an old ATM\u2019s display to the controller, that\u2019s a straight swap\u2014 no customizations needed. The key is knowing exactly what network your ATM is using, and what the component requires before you pick a cable.<\/p>\n

I also want to address a common myth I hear: \u201cCANbus is CANbus, so any cable will work.\u201d That\u2019s the same as saying \u201cEthernet is Ethernet, so any cable will work\u201d and then plugging a 10 Gbps Ethernet cable into a 100 Mbps port and wondering why it\u2019s slow. Different applications have different requirements\u2014 automotive CANbus is built for cars, where temperature swings are extreme but electrical noise is manageable. Industrial CANbus, which is what ATMs use, is built for harsh environments: constant vibration, temperature changes from being outside in a drive-up or inside a busy mall, and close proximity to power supplies that throw off noise. A cable that works in your car will fail in an ATM, no question, over time.<\/p>\n

Let me share one more story, because it drives this home. A few months back, a customer from a large retail chain in Texas ordered 500 CANbus cables for their ATM maintenance team, specifying that they were for ATMs. When we shipped them, we included a note that said \u201cConfirm impedance and baud rate with your ATM\u2019s OEM to ensure compatibility.\u201d A week later, he called back, frustrated\u2014 he\u2019d ordered the same cables for their fleet of 200 ATMs, and 12 of them were showing communication errors between the card reader and controller. We walked him through checking the ATM\u2019s specs, and it turned out those 12 ATMs were using an older OEM CANbus network that required a 1-meter cable (the bulk order was 3 meters). He swapped the length for our custom-cut 1-meter industrial CANbus cables, and the problem was gone. That\u2019s why custom length options matter\u2014 most CANbus suppliers sell standard lengths, but ATMs often need very specific lengths to fit their internal routing. We cut every cable to order, so you can get exactly the length you need without excess slack that gets caught inside the ATM or too little that strains the connectors.<\/p>\n

So, to circle back to the original question: Can you use a CANbus cable for ATMs? The answer is: Yes, if it\u2019s an industrial-grade CANbus cable rated for CAN FD (if your ATM uses it), has a 120 ohm impedance, double shielding, custom or precise length, and is built to handle the harsh industrial environment inside an ATM. No, if you grab a generic automotive CANbus cable from a parts store, a cheap solid-core cable from an online bulk seller, or a cable that doesn\u2019t meet those requirements.<\/p>\n

<\/p>\n

At our company, we\u2019ve been supplying CANbus cables for industrial applications for nearly a decade, and ATMs have become one of our most reliable use cases because the demand is consistent, and when we get it right, our customers don\u2019t have to deal with the stress of a broken ATM on a busy weekend. We test every cable before it leaves our warehouse, checking impedance, shielding integrity, and signal strength at different lengths and baud rates, so you know exactly what you\u2019re getting when you order from us.<\/p>\n

Hybrid Copper Fiber Cable<\/a> If you\u2019re working with ATMs, whether you\u2019re a maintenance tech, a bank IT manager, or a distributor, and you need to confirm which CANbus cable is right for your setup, we\u2019re here to help. We don\u2019t just sell cables\u2014 we work with you to match the cable to your specific ATM model, network type, and component needs, so you don\u2019t have to guess or deal with costly mistakes. Reach out to our team to discuss your requirements, and we can help you build a solution that keeps your ATMs running smoothly, no late-night emergency calls required.<\/p>\n

References<\/h3>\n
    \n
  1. Bosch. (1991). CAN Specification Version 2.0. Robert Bosch GmbH.<\/li>\n
  2. International Organization for Standardization. (2015). ISO 11898-2:2015 Road vehicles \u2014 Controller area network (CAN) \u2014 Part 2: High-speed medium access unit.<\/li>\n
  3. Payment Card Industry Security Standards Council. (2022). PCI Data Security Standard (PCI DSS) v4.0.<\/li>\n
  4. Automotive Electronics Council. (2020). AEC-Q200: Stress Test Qualification for Passive Components (relevant to cable shielding and conductor reliability for industrial applications).<\/li>\n
  5. CiA (CAN in Automation). (2019). CAN FD Specification Version 1.0. CAN in Automation e.V.<\/li>\n<\/ol>\n
    \n

    Zhejiang Chatnow New Material Technology Co., Ltd.<\/a>
    Zhejiang Chatnow New Material Technology Co., Ltd. is well-known as one of the leading canbus cable manufacturers and suppliers in China, specialized in providing high quality customized service. Please feel free to wholesale high-grade canbus cable at competitive price from our factory.
    Address: Building 12, No.9 Huajin Road, ZhouWangMiao Town Innovation Center, Haining, Zhejiang 314400
    E-mail: info@chatnow-cable.com
    WebSite:     https:\/\/www.chatnow-cable.com\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

    Let me start by saying this is a question I get at least twice a week … Can I use a Canbus cable for ATM machines?<\/span>Read more<\/a><\/p>\n","protected":false},"author":30,"featured_media":573,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[536],"class_list":["post-573","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry","tag-canbus-cable-4d15-04c2a1"],"_links":{"self":[{"href":"http:\/\/www.nine310.com\/blog\/wp-json\/wp\/v2\/posts\/573","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.nine310.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.nine310.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.nine310.com\/blog\/wp-json\/wp\/v2\/users\/30"}],"replies":[{"embeddable":true,"href":"http:\/\/www.nine310.com\/blog\/wp-json\/wp\/v2\/comments?post=573"}],"version-history":[{"count":0,"href":"http:\/\/www.nine310.com\/blog\/wp-json\/wp\/v2\/posts\/573\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.nine310.com\/blog\/wp-json\/wp\/v2\/posts\/573"}],"wp:attachment":[{"href":"http:\/\/www.nine310.com\/blog\/wp-json\/wp\/v2\/media?parent=573"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.nine310.com\/blog\/wp-json\/wp\/v2\/categories?post=573"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.nine310.com\/blog\/wp-json\/wp\/v2\/tags?post=573"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}