The NetVanta 1550-24 24-port, fully managed Gigabit switch is a part of our portfolio of best switches for Voice over IP (VoIP).Purpose built for enterprises looking to upgrade their networks with high-performance, reliable, scalable and easy to manage switching solutions, the NetVanta 1550-24 switch is ideal for premises or hosted VoIP, Wi-Fi expansion, video streaming, Gigabit to the desktop, and campus networking. Manufacturer: Adtran. Manufacturer Part Number: 17101524F1. Brand Name: Adtran. Product Line: NetVanta. Product Series: 1500. Product Model: 1550-24. Product Name: NetVanta 1550-24 Ethernet Switch. Product Type: Ethernet Switch. [Additional Product Specifications] Full Product Specifications: Click to view. [Interfaces/Ports] Total Number of Network Ports: 24. Uplink Port: No. Modular: No. Stack Port: No. Port/Expansion Slot Details: 24 x Gigabit Ethernet Network. 4 x 10 Gigabit Ethernet Expansion Slot. [Media & Performance] Media Type Supported: Twisted Pair. Optical Fiber. Ethernet Technology: Gigabit Ethernet. 10 Gigabit Ethernet. Network Technology: 10/100/1000Base-T. 10GBase-X. [I/O Expansions] Number of Total Expansion Slots: 4. Expansion Slot Type: SFP+. Number of SFP+ Slots: 4. [Network & Communication] Layer Supported: 3. [Management & Protocols] Manageable: Yes. [Power Description] Power Source: Power Supply. [Physical Characteristics] Form Factor: Rack-mountable. Desktop. Height: 1.8". Width: 17.4". Depth: 8.8". Weight (Approximate): 5 lb. [Miscellaneous] Green Compliant: Yes. Green Compliance Certificate/Authority: RoHS. [Warranty] Limited Warranty: Lifetime.