Codice: AR-NS3550-24T/4SMarchio: ARITECH. Articolo: NS3550-24T/4S. 24-Port 10/100/1000Base-T Copper Ports with 4 shared SFP Slots Managed Gigabit Ethernet Switch(-40~75°C) - Power 36-72V DC. Additional PSU to be ordered: PS48VDC240W-EU orPS48VDC240W-UK