Case study

Huawei R48xx: mapping the power supplies' CAN protocol

Huawei R48xx documents the CAN communication of Huawei 48 V power supplies, including 29-bit identifier fields, status commands, registers and software address negotiation between units. The author combines tests on R4830S1, R4850G2 and R4850G6 with other documentation. The repository also records connector pinouts and printable enclosure models.

Targets: Protocol
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06

Stars: 33
Last commit: 2026-10-14
Language: OpenSCAD
License (GitHub): MIT

GitHub data as of 2026-11-09

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Requirements & limits

Prerequisites: Huawei R48xx hardware is needed to reproduce the documented exchanges.
Limits: The author describes the protocol documentation as incomplete and possibly inaccurate.
License: MIT license.

Cite

BibTeX

@misc{huawei-r48xx-can-protocol-case,
  title = {{Huawei R48xx: mapping the power supplies' CAN protocol}},
  howpublished = {\url{https://github.com/patagonaa/huawei-r48xx}},
  url = {https://github.com/patagonaa/huawei-r48xx},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/huawei-r48xx-can-protocol-case/}}
}

Plain text

Huawei R48xx: mapping the power supplies' CAN protocol. https://github.com/patagonaa/huawei-r48xx (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/huawei-r48xx-can-protocol-case/

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About this entry

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Primary sources

README.md GitHub · patagonaa/huawei-r48xx · Revision ca0013a
LICENSE GitHub · patagonaa/huawei-r48xx · Revision ca0013a