Switchberry Turns a Raspberry Pi CM4 into a Time-Focused Ethernet Switch
The Switchberry is a new device that transforms a Raspberry Pi Compute Module 4 into a specialized Ethernet switch. It supports synchronous Ethernet and the Precision Time Protocol, making it ideal for timing-sensitive network operations. The device is designed for experimentation and offers various connectivity options, including ports for external devices and GPS receivers.
- ▪The Switchberry is a five-port gigabit layer-two switch designed for the Raspberry Pi CM4.
- ▪It supports synchronous Ethernet and the Precision Time Protocol for timing-sensitive applications.
- ▪The device includes multiple connectivity options, such as a microSD card slot and SMA connectors for external devices.
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The Switchberry Turns a Raspberry Pi Compute Module 4 Into a Time-Focused Ethernet SwitchTimeAppliance's carrier for the Raspberry Pi CM4 includes everything you need to experiment with the Precision Time Protocol — and more.Gareth HalfacreeFollow3 months ago • HW101 / Clocks 55San Jose-based TimeAppliances has designed a Raspberry Pi Compute Module 4 carrier with a difference: it turns the popular computer-on-module into a five-port gigabit layer-two switch, with support for synchronous Ethernet and the Precision Time Protocol (PTP)."Switchberry is a Raspberry Pi [Compute Module] 4–controlled Ethernet switching + timing platform built around a Microchip KSZ9567 and a Renesas 8A34004 clock-matrix DPLL [Digital Phase-Locked Loop]," TimeAppliances says of its creation.
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