





Key Features
Overview
The SEGGER J-Link PRO is a high-performance debug probe supporting both USB and Ethernet interfaces for JTAG and SWD programming. With DHCP-enabled networking and a built-in web server, it allows easy remote configuration, high-speed debugging, and electrical isolation from the host PC. Fully compatible with the standard J-Link toolchain, it supports Windows, Linux, and macOS platforms.
As part of the SEGGER J-Link family—which includes variants such as the USB-only J-Link and the PoE-enabled J-Link PRO PoE—the J-Link PRO offers familiar tools like Flash breakpoints, VCOM serial port, and seamless integration with IDEs and SEGGER tools like Ozone.
Engineers should consider the J-Link PRO when needing robust remote debugging, elevated download speeds, and the flexibility of both USB and Ethernet connectivity. Its feature-rich design ensures productivity and simplifies debugging in complex or remote development environments.
Why Engineers Choose The SEGGER J-Link PRO – Ultra-Fast Ethernet/USB Debug Probe
Remote Deployment
Enhanced Speed
Ecosystem Support
General Information | |
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Part Number (SKU) |
8.12.00
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Manufacturer |
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Physical and Mechanical | |
Weight |
0.5 kg
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Other | |
Warranty |
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Country of Origin |
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HS Code Customs Tariff code
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EAN |
5055383614714
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Frequently Asked Questions
Have a Question?
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Is J-Link PRO compatible with popular IDEs?
Yes, it works with nearly all common IDEs—including those using GDB server interfaces.
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How does J-Link PRO compare to J-Link PRO PoE?
J-Link PRO PoE adds Power-over-Ethernet and is optimised for test farms, while J-Link PRO relies on standard Ethernet or USB.
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Does J-Link PRO include the standard J-Link feature set?
Absolutely—it has full compatibility with all usual J-Link tools and workflows, like Ozone and J-Flash.
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Which operating systems does J-Link PRO support?
It supports Windows, Linux, and macOS, enabling cross-platform development workflows.
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Can I set flash breakpoints with J-Link PRO?
Yes, you can place breakpoints in non-volatile flash memory, helping with limited RAM targets.
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Does J-Link PRO include VCOM support?
Yes, the probe integrates a virtual COM port (VCOM) for serial output over the debug connection.
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How does Ethernet improve J-Link PRO usage?
Ethernet allows remote debugging, faster downloads, and electrical isolation—ideal for scalable or distributed development setups.
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What is the SEGGER J-Link PRO?
The SEGGER J-Link PRO is an ultra-fast debug and programming probe with both Ethernet and USB interfaces for JTAG and SWD.