The BELDEN SPIDER-SL-20-04T1M29999SY9HHHH is an unmanaged Ethernet switch from the SPIDER III series, featuring 5 Fast Ethernet ports (4x twisted-pair RJ45) with multimode capability. Designed for industrial applications, it operates on 12-24 VDC power supply, has IP30 protection rating, and supports DIN rail mounting. The device is RoHS compliant with part number 942132007.