The 8-Port Interface Expander provides a total of eight ports and can be daisy-chained to provide 15 ports. It facilitates graceful system shutdown via dependable hardwire connections and allows advanced UPS management. The unit is ideal for "server farms" or multiple operating system environments. Specification: Ports & interfaces I/O ports IEC-320 C14 Basic switching RJ-45 Ethernet ports quantity 24 Data transmission Maximum data transfer rate 0.1 Gbit/s Performance Harmonized System (HS) code 85176990 Operational conditions Storage temperature (T-T) 10 - 90 °C Storage relative humidity (H-H) 10 - 90% Operating temperature (T-T) 0 - 45 °C Operating relative humidity (H-H) 10 - 90% Weight & dimensions Weight 2.6 lbs (1.18 kg) Packaging data Package weight 4.41 lbs (2 kg) Package dimensions (WxDxH) 20.5 x 8.39 x 4.02" (521 x 213 x 102 mm) Other features Dimensions (WxDxH) 17.3 x 4.69 x 1.73" (440 x 119 x 44 mm) I/O ports IEC-320 C14 Package dimensions (WxDxH) 20.5 x 8.39 x 4.02" (521 x 213 x 102 mm)