Plenum-rated, UL certified PoE++ switch is geared for smart lighting systems

June 3, 2020
The SISPM1040-582-LRT switch also features Transition Networks' Device Management System (DMS) software for simplified configuration, installation and troubleshooting.

Intelligent edge connectivity specialist Transition Networks has launched a hardened Power over Ethernet ++ (PoE++) switch billed as the industry’s first plenum-rated, UL 2043 and UL 2108 certified PoE++ device geared especially for PoE smart lighting systems.

The company's SISPM1040-582-LRT switch is optimized for smart building technology deployment and certified to be installed in plenum spaces with communications cabling. Billed as vital for applications such as intelligent PoE lighting, cameras, sensors and other smart devices, the managed PoE++ switch provides (8) 10/100/1000 Mbps PoE++ ports with (2) 100/1000 Mbps dual-speed SFP slots, supplying up to 90 Watts per port on (4) ports or 60 Watts per port on (8) ports simultaneously.

The new switch also features Transition's Device Management System (DMS) software for simplified configuration, installation and troubleshooting. The DMS software provides integrators with lower overall cost, less downtime, and easier management and maintenance of the entire PoE++ network. Auto-power reset (APR) functionality, enables monitoring and remote reset of powered devices.

“As facilities add more smart building technology, our plenum-rated PoE++ switch can now be used in plenum spaces to connect and power intelligent PoE light fixtures and other IP enabled end points,” said Glenn Buck, manager of solution engineering at Transition Networks. “This simplifies cable installations and eliminates traditional costs.

As noted by the company: "Plenum space refers to the area of a building that provides circulating air space for heating and air conditioning systems such as above suspended ceilings or below raised floors. This is also where communication cables are often located. In accordance with the National Electrical Code, the cable and connectivity components used must be made of materials that are noncombustible and have smoke characteristics that are non-toxic and prevent fire spreading. This allows safe power delivery and connectivity for IP-enabled devices."

“Having the PoE++ switch installed in plenum spaces where the end devices are often located, greatly reduces installation time and cost of materials,” continued Buck. “With the plenum-rated Transition Networks SISPM1040-582-LRT switch, integrators can be assured that our equipment will operate safely and reliably in these spaces, while meeting the power and connectivity requirements of smart building applications.”

As part of its plenum rating, the switch is UL 2043 certified, which means that it meets the standard for fire, heat and smoke in air-handling spaces. The switch is also UL 2108 certified meeting the standard for low voltage lighting systems and components. For more information about Transition Networks' PoE++ products, visit

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