Standard industrial interface for SPE set published

08 March 2020

The international standard for Single Pair Ethernet (SPE) interfaces in industrial applications has been published with IEC 63171-6.

IEC 63171-6 (Industrial Style) is a complete standard document with all necessary specifications and test sequences, which is incorporated into current SPE cabling standards of the ISO/IEC 11801-x series of standards for structured cabling. 

Single Pair Ethernet (SPE) describes the transmission of Ethernet over only one pair of copper wires. In addition to data transmission via Ethernet, SPE also enables a simultaneous power supply of terminal devices via PoDL – Power over Data Line. Previously, this required two pairs for Fast Ethernet (100MB) and four pairs for Gigabit Ethernet. 

The implementation of SPE in the ISO/IEC 11801 documents is important because only in this standard are the cabling channels described with all necessary parameters – length, number of connections, bandwidth and the complete set of transmission parameters including NEXT, FEXT, shielding properties etc – with relation to the environment and can therefore be metrologically verified after installation. 

This connection of component standards to connectors and cables will provide users of SPE with clear guidelines for the construction and testing of appropriate transmission links.

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