Business Wire

Understand the Fundamental Principles of Synchronous Digital Hierarchy in Modern Broadband ...

DUBLIN, Ireland--(BUSINESS WIRE)--Research and Markets (http://www.researchandmarkets.com/reports/c44913) has announced the addition of E-Learning Course: SDH ...
电子工程专辑

趣解承载：一文搞清PTN与IPRAN

传输帮在老帮主SDH（Synchronous Digital Hierarchy，同步数字体系）的带领下，曾经风光无限。 老帮主SDH创派之初立下了规矩：货物想运输，必须是“块状结构”，必须是“标准”大小，而且按照货物的标准尺寸对车辆进行严格的规定。这样的规矩，才可以确保运输的 ...
Electronic Design

Ethernet-Over-Sonet/SDH Mapper Offers Carrier-Class Features

Ethernet dominates the local-area network (LAN) space. However, carriers continue to use legacy plesiochronous digital hierarchy (PDH) T1/T3 formats. Also, Sonet and synchronous digital hierarchy (SDH ...
Power Engineering

The future grid wavelength: Migrating SDH to Internet Protocol

The longevity of Plesiochronous Digital Hierarchy/Synchronous Digital Hierarchy (PDH/SDH) communications networks in the utility industry is remarkable. Used for decades to monitor and control the ...
Electronic Design

Clock, Data Multiplexers Sport Ultra-Low Jitter

Three high-speed, PECL/LVPECL multiplexers meet the ultra-low jitter and skew demands of Sonet/synchronous digital hierarchy (SDH) communications systems, high-end enterprise server applications, and ...