RCN Metro offers a SONET private line service that provides dedicated, protected bandwidth from T1 to OC192 for connecting multiple locations. The service uses RCN Metro's diverse fiber network to ensure high availability and reliability. It supports various networking protocols and can be customized to meet specific bandwidth and configuration needs. RCN Metro monitors the service 24/7 to ensure quality and can connect over 1,200 locations along the East Coast and Midwest.