The Cisco ONS 15310-MA (Figure 1) is a carrier-class MSPP that efficiently switches Ethernet and TDM traffic for use in metropolitan and regional optical networks. Its flexibility and scalability allow it to support 1.5-Mbps to 2.5-Gbps TDM, as well as 10/100/1000-Mbps Ethernet interfaces. The Cisco ONS 15310-MA can aggregate traffic at a central office or collect services at the customer premises. Take advantage of the 6-rack-unit size, high density, and 99.999 percent reliability of the carrier-class Cisco ONS 15310-MA Multiservice Provisioning Platform (MSPP) for your access and edge networks.