The DELL S4048-ON is a discontinued managed networking switch from the S40 series (E13W001), featuring 48 Gigabit Ethernet ports and 6 QSFP+ 10GBASE-X ports for Layer 3 enterprise applications. It includes LED status indicators, operates at 2.9-5.8A with dual voltage input (100-127/200-240VAC) and supports 50/60Hz frequency.