Unlike most industrial PoE switches, says the vendor, the EKI-2528PAI
does not require a separate 48VDC power source. Equipped with an
internal DC-to-DC converter, 24VDC input power is boosted to the 48VDC
required for powering PoE-compliant devices. Packaged in a compact and
thin DIN-rail mount metal chassis, the EKI-2528PAI is well-suited when
panel space is limited. The ruggedized switch includes redundant power
inputs, 4000VDC Ethernet ESD protection, power line surge (EFT)
protection of 3000VDC, and features a wide -40°C to 75°C operating
temperature range. The switches are CUL (UL/CSA), UL508, CE, FCC, and
RoHS/WEE certified.Advantech Corp., Industrial Automation Groupwww.advantech.com/ea800.205.7940