SecuSTATION Switching Hub PoE Hub Japanese Manufacturer PoE Power Supply Compatible Maximum 250m 4 Ports 10/100Mbps SC-PSH42

We offer a wide variety of products, and the following precautions apply to some of them. Please note that they are listed for all products. 【Voltage Compatibility】Designed for Japanese voltage (90-110V). Using with a different voltage may cause malfunction. 【Plug Type】Japanese plugs (A or B type). Use a conversion adapter if needed. 【Transformers & Adapters】Transformers adjust voltage; adapters only change plug shape. Using an adapter without a transformer may damage the product. 【Liability】We are not responsible for damages caused by improper use, such as using the product without a transformer. Interface (PoE compatible) [Port: RJ45 x 4 ports] [Transmission method: IEEE802.3i / IEEE802.3u] [Transmission speed: 10/100Mbps] [Power supply function: IEEE802.3af / IEEE802.3at] [Maximum power supply: IEEE802.3af 15.4W / IEEE802.3at 30W] [Maximum transmission distance: 250m (long distance switch ON)] Interface (for uplink) [Port: RJ45 x 2 ports] [Transmission method: IEEE802.3i / IEEE802.3u] [Transmission speed: 10/100Mbps] [Maximum transmission distance: 100m] Main unit specifications [Operating environment temperature: -40°C to 55°C] [Operating environment humidity: Less than 90% (no condensation)] [Power supply: DC48V] [Power consumption: 3W when not powered / when powered