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Embedded Linux system has five GbE ports for Time Sensitive Networking

Mar 20, 2019 — by Eric Brown 659 views

Kontron’s “KBox A-230-LS” industrial computer runs Linux on a dual -A72 LS1028A SoC via its SMARC-sAL28 module and offers 5x TSN-capable GbE ports.

Kontron announced a industrial networking computer dedicated to IEEE 802.1 compliant Time Sensitive Networking (TSN) based on its SMARC-sAL28 module. The fanless, 150 x 100 x 58mm system provides a standard Gigabit Ethernet port, a TSN-compliant GbE port, and up to 4x switched TSN GbE ports.

KBox A-230-LS
(click image to enlarge)

The system’s 82 x 50mm SMARC-sAL28 module runs a Yocto Project based Linux stack (with U-Boot) on the TSN-capable LS1028A, which offers dual 1.3GHz Cortex-A72 cores. The SMARC-sAL28 provides the KBox A-230-LS with 4GB of soldered DDR3L with ECC, as well as 2GB to 64GB eMMC 5.1 storage.

TSN offers guaranteed latency and Quality of Service (QoS) with time synchronization to enable “a timely and highly available delivery of data packets,” says Kontron. TSN Ethernet can replace more expensive, proprietary fieldbus technology while also offering the advantage of being able to “simultaneously communicate seamlessly to the IT level.”


The KBox A-230-LS is equipped with a microSD slot and a mini-PCIe slot with mSATA support. More storage is available via an M.2 Key B socket for 2242/3042 or 2260/3060 modules. A second mini-PCIe slot supports wireless modules and is accompanied by a mini-SIM slot.

Other features include USB 3.0 and 2.0 host ports, as well as a DisplayPort++. There’s also a RS232 DB9 port, as well as an optional DB9 COM port with RS232/RS485 or CAN. The system provides a watchdog, 3x LEDs, and optional Kontron Approtect security.

The 0 to 60°C capable system has a 24BDC input and offers IEC 60068-2-6 compliant vibration and IEC 60068-2-27 compliant shock support. The system also provides humidity resistance and several safety certifications. Mounting options on the 1.0-kg system include DIN-Rail, desktop, wall, and cabinet mounts.

Further information

No pricing or availability information was provided for the KBox A-230-LS. More information may be found in the KBox A-230-LS announcement and product page.


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