From the Broadband Telecommunications Handbook, the one-of-a-kind volume by renowned computing communications expert and instructor Bud Bates, comes this concise, practical guide to SONET and SDH. Featured topics include the SONET signal; the SONET frame; overhead; SONET multiplexing functions; topologies; synchronous digital hierarchy; and more. Within this concise excerpt you?ll find a special emphasis on key components and techniques for doing the job right. If you want to gain a top-to-bottom understanding of SONET and SDH, start here. For other in-depth excerpts on telecommunications topics, see your eBookstore, where you?ll find more chapters from the Broadband Telecommunications Handbook.