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The White Rabbit Switch is an open hardware design of an **Ethernet switch**. It is a central element of a White Rabbit network and is designed as a part of the [White Rabbit project](https://www.ohwr.org/project/white-rabbit/wiki).
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**Possible design with hot-swappable fans and redundant PSU with basic enclosure**
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## Project information
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- [Preliminary study of input from the WR community, CERN IT](https://ohwr.org/project/wr-switch-hw-v4/wikis/Features-choice)
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- [Analysis of resource utilization for the candidate FPGA choice](uploads/31c7019f3c24cb12ec0f8c79c108af59/WRS-v4-resource-utilization.pdf) by Creotech - dedicated [project](https://ohwr.org/project/wr-switch-hdl-usp-eval/wikis/home)
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- [WRS-v4 hardare specfications](uploads/094e33be886eeebc0aa8e5e6ff0db06c/WRS-4_Hardware_Specification-v1.1.pdf), based on the following inputs:
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- [Study on the features for the WRS-4](uploads/2309166f9f7deb1249f3fa6fcb99c925/Study_on_the_new_hardware_features_for_the_WRS_4.pdf) by SevenSolutions
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- [WRS-4 main board (Hardware_Architecture)](uploads/c4fa8bc97eeeb551c736146eae7b8e25/WRS-4_main_board_Hardware_Architecture\_-v1.7-2020-06-09.pdf) by SevenSolutions
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- [WR community feedback and its resolution](https://ohwr.org/project/wr-switch-hw-v4/wikis/Feedback-to-WRS-4-hardware-specification) (to be included in the documents above)
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- [Connector to expansion board](https://ohwr.org/project/wr-switch-hw-v4/uploads/71655353bc093581e62648502a4cb750/WRS-4_Expansion_Connector.pdf)
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- [Clocking FMC prototype](https://ohwr.org/project/wr-switch-hw-v4/wikis/Clocking-FMC)
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- [WR Clocking FMC Final Performance and tests Report](uploads/de6021064d49cd82b0bf7bc32d81c75e/FCWR_final_report.pdf)
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- [Main board](/wrs-v4-main-board-schematics)
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- [Enclosure](/enclosure)
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- [3D view](https://autode.sk/3lCAmS3)
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- Prototype v1 hardware design: [EDA-04571-v1](https://edms.cern.ch/project/EDA-04571)
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- Specifications
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- Studies
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- [Frequently Asked Questions](faq)
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- Prototypes
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- [v0](https://ohwr.org/project/wr-switch-hw-v4/-/wikis/Prototype-v0)
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---
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