دانلود کتاب Guide to T-1 Networking: How to Buy, Install & Use T-1 From Desktop to Ds-3

Why choose T-1? 1. Cost. T-1 circuits let you combine voice and data lines and enjoy economies of scale. 2. Availability. Companies are betting their businesses on their communications networks. Alternate T-1 routing and sophisticated diagnostic equipment mean T-1 networks are more available than today's analog network. 3. New Services. When users get a T-1 network, they can do things they couldn't before. Things like videoconferencing and high-speed database exchanges. 4. Flexibility. Your president wants a teleconference in 30 minutes with five of his regional offices. With your own T-1 network, he can have it. 5. Quality. T-1 voice circuits typically sound better than analog circuits. ; This perennial best seller is a thorough guide to buying, configuring and troubleshooting T-1 circuits. It will guide you through all the complex steps to reaping the benefits of T-1. This edition is updated and expanded to include a complete review of xDSL.