HARTING provides standard industrial interface for Single Pair Ethernet

By OEM Update Editorial March 7, 2020 11:00 am IST

IEC standards committee SC 48B for connection technology publishes IEC 63171-6, establishing the standard interface for industrial SPE applications and providing users with investment security. On 23rd January 2020, the international standard for Single Pair Ethernet interfaces in industrial applications was published with IEC 63171-6. The mating face standard, IEC 63171-6 T1 Industrial Style, was the first standard submitted by HARTING to SC 48B for a Single Pair Ethernet mating face as early as 2016. “This early initiative is now paying off, and the 2020 users finally have a reliable investment for future-proof IIoT networks, based on Single Pair Ethernet,” explains Ralf Klein, Managing Director, HARTING Electronics.

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. The implementation of SPE in the ISO/IEC 11801 documents is very important because only in this standard, the cabling channels are 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 — MICE — and can therefore be metrologically verified after installation. This connection of component standards for connectors and cables provides all users of SPE with clear guidelines for the construction and testing of appropriate transmission links.|

The use of cabling components other than those described in ISO/IEC 11801-3 Amd.1, for example, is possible in principle, but then they no longer conform to the standard and carry the risk of incompatibility and loss of function. For this reason, ISO/IEC JTC 1/SC 25/WG 3 and TIA TR-42 launched international selection processes at the beginning of 2018 to define uniform interfaces. These two selection processes were co-initiated by IEEE 802.3, which requested a recommendation for a SPE Media Depended Interface (MDI) from ISO/IEC and TIA. More than 20 national expert committees participated in this selection process. As a result of this selection process, a mating face for industrial applications has become generally accepted:

For industrial and industry-related applications (M2I2C2E2 and M3I3C3E3), the mating face according to IEC 63171-6 is based on the proposal of HARTING T1 Industrial.

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