24-port Ethernet routing switch with 2 x combo 1000BASE-T/SFP. The ERS 5500 is a flexible solution suited to address the various demands of today’s high-end wiring centers, high-capacity data centers and network core environments. The ERS 5500, along with other Avaya products, can increase profitability and productivity, streamline business operations, lower costs and help your business gain a competitive edge.