The BE-IIS HPP-T1L is a stackable and detectable Technology HAT for Raspberry Pi, adding a 10BASE-T1L Single-Pair Ethernet signal port to Linux-based prototypes, gateways and test systems.

It is built around the ADIN1110 10BASE-T1L Ethernet controller and provides a single SPE port for long-reach point-to-point industrial Ethernet connections. The board can be stacked multiple times — for example three HPP-T1L boards, or combined with other BE-IIS Technology HATs in the same Raspberry Pi system.

A PoSPE variant is also available, supporting Power over Single-Pair Ethernet up to 33 V and 1 A for powered point-to-point applications.

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