产品介绍 : ECS4620-52P has with 1 x RJ45 console port, 1 x USB type A storage port, RPU connector and Stack up to 4 units. The PoE Budget is max. 780W. ECS4620 Series is a family of high-performance Gigabit Ethernet Layer 3 switches featuring 28 or 52 ports; with 24 /48 10/100/1000BASE-T ports, 2 10G SFP+ ports, and one 10G dual port expansion slot.