The AcerSwitch ALW-3M16, which operates at Layer 2, and the ALW-6M16, which operates at Layer 3, provide the ultimate balance in cost and performance for medium-sized offices, campuses and corporate environments. The switches allow you to get the most out of your network by relieving congestion. All ports can operate in either half- or full-duplex mode using auto-negotiation to optimize bandwidth. The switches provide 16 N-Way 10/100Mbps ports, including two flexible MII expansion slots for 100Base-TX or 100Base-FX fiber connectivity. The ALW-3M16 and ALW-6M16 are affordable extended switches that can be applied seamlessly within an existing network infrastructure.