Siemon First To Demonstrate Single-Pair Ethernet Over 400 Meters of Balanced Twisted Pair Copper Cabling

Watertown, CT

In another industry first, Siemon, a leading global network infrastructure specialist, demonstrated operation of 10BASE-T1L Single-Pair Ethernet (SPE) over 400 meters of TERA® balanced twisted pair copper cabling at the BICSI® Fall Conference in Las Vegas, NV.

Siemon’s fully shielded TERA SPE solution is the first 23 AWG balanced twisted-pair copper cabling system proven to support 10BASE-T1L over distances of up to 400 m (1,300 ft) for Operational Technology (OT) and 10 Mb/s enterprise IT applications. This is a milestone step in confirming SPE’s ability to bring Ethernet network compatibility, including operation over a standardized, non-proprietary cabling infrastructure, to a wide range of OT devices operating at 10Mb/s or less such as sensors, actuators, and relays commonly used in building automation and industrial applications.

An In-Depth Demonstration of Single-Pair Ethernet

In Siemon’s demonstration, SPE was deployed to administer a basic access control system consisting of magnetic door locks responding to inputs from localized inputs like card readers and remotely managed control functions. Since SPE-enabled end-device and system development is in the pre-market stage, media conversion boards supplied by Analog Devices, Inc. were used in the evaluation to convert controller and end device 10BASE-T TCP/IP output signals to 10BASE-T1L. SPE system operation was successfully demonstrated over 400 meters of a one-pair channel constructed from Siemon category 7A cable and four Siemon TERA connectors. All Siemon connectors, cords, and cables in the SPE channel are commercially available with an installed base of millions of connections.

“It’s easy to specify new TERA permanent links that are capable of supporting both future IT and OT device connections over 400-meter distances. As the Siemon TERA SPE cabling system is fully-shielded, it has the advantage of supporting up to four unique SPE applications and controllers over a single 4-pair standards compliant structured cabling channel – an ability that’s referred to as ‘cable sharing.’ Cable sharing saves material cost and more efficiently utilizes pathway space compared to deploying four SPE applications over four individual one-pair cables.

– John Siemon, CTO/COO, Siemon

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About Siemon
Established in 1903, Siemon is an industry leader specializing in the design and manufacture of high-quality, high-performance IT infrastructure solutions and services for Data Centers, LANs, and Smart Buildings. Headquartered in Connecticut, USA, with global sales, technical, and logistics expertise spanning 150 countries, Siemon offers the most comprehensive suites of copper and optical fiber cabling systems, racks, cable management, and Intelligent Infrastructure Management solutions. With more than 400 patents specific to structured cabling, Siemon Labs invests heavily in R&D and the development of Industry Standards, underlining the company’s long-standing commitment to its customers and the industry. Through an ongoing commitment to waste and energy reduction, Siemon’s environmental sustainability benchmarks are unparalleled in the industry.