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SONET/SDH (19 results)
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ZDNet Dictionary Definition
- SDH
- Synchronous Digital Hierarchy The European counterpart to SONET. See SONET.
- Full SDH Definition >>
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- Embratel Case Study: Embratel
- In 2001, Embratel was one of Kodak's suppliers elected as a success story of the year. Some of the highlighted Embratel telecommunication solutions adopted by Kodak were VipPhone and 0800 International, in which calls are charged at the destination. Also, with regard to the Embratel-Kodak partnership, examples of services that...
- Case studies 2006-05-04
- RAD's Multiservice Access Platform Facilitates Distribution of Energy in Northern Brazil
- The Centrais Eletricas do Norte do Brasil S.A. Eletronorte is a subsidiary of Centrais Eletricas Brasileiras S.A. Eletrobras, the holding company of the Brazilian Electrical Sector. Eletronorte built a 1,600 km (1,000 mile) fiber optic SDH network based on STM-4 to provide management and control of all Eletronorte substations and...
- Case studies 2006-05-04
- RAD Helps China Telecom to Reduce Opex Costs, Accelerate Provisioning of Broadband Services to Millions of Subscribers
- Guangdong Datacom Bureau GDB, which owns the fastest growing broadband network infrastructure in China, had a challenge to connect ATM switches with various types of fiber interfaces in the central office to ADMs on the SDH backbone coax. The solution chosen by GDB was based on RAD's AMC-101 universal media...
- Case studies 2006-05-04
- Taiwan's New National Research Network Chooses Cisco Optical Solution
- Taiwan's National Center for High-performance Computing NCHC is chartered with creating sophisticated computing and networking solutions. The vision for TWAREN Taiwan Advanced Research and Education Network was to create a network that is future-proof, with state-of-the-art performance, and the ability to evolve with user demand and technology. NCHC selected Cisco...
- Case studies 2006-05-04
- SAN Over sdh/SONET for Business Continuity and Disaster Recovery
- Tremendous growth in enterprise storage needs has created demand for reliable and cost-effective backup and data protection solutions. The emergence of storage extension solutions is a natural evolution of the growing use of Storage Area Networks SANs within the enterprise. These solutions provide data connectivity between separate SAN islands within...
- White papers 2005-12-01
- Extended Cross-Connect Capacity With Cisco ONS 15454 sdh Solutions
- Cisco ONS 15454 SDH solutions from Cisco Systems can be used in a multichassis configuration to offer extended cross-connect capacity. This paper describes this type of application and provides technical information about it. The carrier-class Cisco ONS 15454 SDH Multiservice Provisioning Platform MSPP solution offers unique benefits to service providers...
- White papers 2005-09-01
- Application Series sdh Testing and Maintenance
- SDH networks have been designed to transport PDH, T-carrier, and ATM payloads in an efficient, economical way by providing a Management System with maintenance, protection, and routing functions that fulfill the needs for a reliable transport technology with increased bandwidth. This paper describes the tools built into the SDH standard...
- White papers 2003-09-18
- Integrating sdh and ATM in UMTS (3G) Access Networks
- The deployment of cellular UMTS (Universal Mobile Telecommunications Systems, better known as 3G) is one of the most difficult challenges facing today's service providers network planning experts. They need to juggle with immature technologies, limited financial resources and uncertainties about future market demand. Furthermore, to make 3G services economical while...
- White papers 2003-02-01
- sdh Telecommunications Standard
- SDH Synchronous Digital Hierarchy is a standard for telecommunications transport formulated by the International Telecommunication Union ITU, previously called the International Telegraph and Telephone Consultative Committee CCITT. SDH was first introduced into the telecommunications network in 1992 and has been deployed at rapid rates since then. It's deployed at all...
- White papers 2001-09-06
- sdh Telecommunications Standard Primer: What is sdh?
- This document is intended as an introductory guide to the Synchronous Digital Hierarchy SDH multiplexing standard. Standards in the telecommunications field are always evolving. Information in this SDH primer is based on the latest information available from the ITU-T standardization organization. Use this primer as an introduction to the technology...
- White papers 2001-08-03
- sdh Pocket Guide
- This pocket guide provides an introduction to synchronous digital hierarchy SDH technology. It includes information about the SDH market and the benefits of SDH over previous communications technologies. Most of the guide is devoted to describing SDH layers, components, and frame formats. Other topics include a comparison to SONET...
- White papers
- Vietnam Railways Deploys RAD Voice and Data Multiservice Access Solution
- Wholly owned by the Vietnamese government, Vietnam Railways maintains a communication network that is supported by the Army Telecom's SDH backbone. Vietnam Railways has selected the Multiservice Access Platform MAP from RAD Data Communications to provide voice and data services over an existing SDH backbone at Vietnam's eight busiest rail...
- Case studies
- Russian Oil Company Taps Into Communications Pipeline
- Sviaztransneft owns and operates the Russian oil pipeline system, which extends across the entire country. Sviaztransneft looked for a single vendor to build out the SDH backbone to ensure interoperability among all aspects of the network and provide a single point of contact for all issues related to the network...
- Case studies
- Product Development - sdh to ATM Receiver
- The receiver needed to route 4 channels 8 bit SDH data to 32 bit ATM data. Tata Elxsi' expertise in chip design area along with a thorough understanding of communication and networking applications helped customer to implement the reusable IP in least available resources. Tata Elxsi designed and developed a...
- Case studies
- Soul Pattinson Telecommunications Rapidly Builds Out sdh Infrastructure
- Soul Pattinson Telecommunications SPT as a broadcast TV provider has grown to become the second-largest regional telecommunications service provider in Australia. SPT decided to upgrade its network to deliver digital video rather than analog to improve its network efficiency. SPT selected Cisco. The Cisco ONS 15454 SDH platforms, which replaced...
- Case studies
- Telecom Broadband: Digital Processor for sdh Radio Link
- A leading worldwide telecommunication network equipment manufacturer needed to design the main digital component of a radio link SDH system product. It was intended to implement a radio terminal providing regeneration and adaptation functionality, along with hitless switching capability. Accent's design services covered the FPGA implementation (from the Implementation Specification...
- Case studies
- TDM Traffic Over sdh and IP
- To address growing business demand, Shanghai Mobile is constantly adding more and more billing sites, even as transmission resources become increasingly expensive. The challenge was to find a way to transmit mission critical data over an IP backbone without sacrificing reliability and QoS guarantees. The solution was RAD's Megaplex-2100 integrated...
- Case studies
Additional Resources
- Nortel Network Case Study: IT-AUSTRIA
- Financial institutions are increasingly centralising their systems and processes, requiring large volumes of data to be transferred from remote branches to major data centres. This placed new demands on the infrastructure of service provider iT-AUSTRIA, which delivers data centre services as well as voice and data services to high-profile financial...
- Case studies 2007-10-16
- MobiCam WebCam (exe)
- Use your mobile phone as a Webcam. Connects via Bluetooth. Supports : Nokia N70, N90, 3230, 6600, 6620, 6630, 6260, 6630, 6680-2, 7610; Panasonic X700/X800; Samsung SDH-D720; Lenovo P930. MobiCam is compatible with any Internet telephony systems (Skype, GoogleCall, Yahoo) as well as any Instant Messengers (MSN, Yahoo, ICQ, AIM)....
- Software downloads 2007-09-21
- Single-Layer Cuts for Multi-Layer Network Design Problems
- The paper studies a planning problem arising in SDH/WDM multi-layer telecommunication net-work design. The goal is to find a minimum cost installation of link and node hardware of both network layers such that traffic demands can be realized via grooming and a survivable routing. The paper presents a mixed-integer programming...
- White papers 2007-08-01
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