The document discusses Avaya's Ethernet Routing Switch 3500 product line for small and medium enterprises. It provides an overview of the key features of the ERS 3500 switches, including their ease of installation and operation, cost effectiveness, reliability, and ability to provide enterprise-level features. Specific models discussed include the ERS 3526T and ERS 3510GT switches. The document also compares the ERS 3500 to Avaya's ERS 2500 and ERS 4000 product lines.