Title
Understanding Digital Subscriber Line Technology,Used
Delivery time: 8-12 business days (International)
xDSL technologies offer telephone companies a way to deliver highspeed Internet access and other applications, across the copper phone lines they've already installed. In this book, an exceptional team of xDSL experts introduces everything an engineer, manager or marketing professional needs to know to get started with DSL.KEY TOPICS:Coverage includes xDSL applications, network architecture, network management, network operations, communications, protocols, standards and regulatory issues. The authors also cover the underlying technologies including 1.5 Mb/s highbitrate DSL (HDSL), 6 Mb/s Asymmetric Digital Subscriber Line (ADSL), and 52 Mb/s Very High Bit Rate DSL (VDSL). DSL technologies are revolutionary, and whether you're new to them or simply in need of a convenient reference, you'll find this book invaluable. MARKET:Telecommunications engineers, managers and marketing professionals at phone companies, other service provider firms, and equipment vendors; as well as many corporate telecommunications managers.
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Shipping & Returns
Shipping
We ship your order within 2–3 business days for USA deliveries and 5–8 business days for international shipments. Once your package has been dispatched from our warehouse, you'll receive an email confirmation with a tracking number, allowing you to track the status of your delivery.
Returns
To facilitate a smooth return process, a Return Authorization (RA) Number is required for all returns. Returns without a valid RA number will be declined and may incur additional fees. You can request an RA number within 15 days of the original delivery date. For more details, please refer to our Return & Refund Policy page.
Shipping & Returns
Shipping
We ship your order within 2–3 business days for USA deliveries and 5–8 business days for international shipments. Once your package has been dispatched from our warehouse, you'll receive an email confirmation with a tracking number, allowing you to track the status of your delivery.
Returns
To facilitate a smooth return process, a Return Authorization (RA) Number is required for all returns. Returns without a valid RA number will be declined and may incur additional fees. You can request an RA number within 15 days of the original delivery date. For more details, please refer to our Return & Refund Policy page.
Warranty
We provide a 2-year limited warranty, from the date of purchase for all our products.
If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
Warranty
We provide a 2-year limited warranty, from the date of purchase for all our products.
If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
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Secure Payment
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
We accept payments with :
Visa, MasterCard, American Express, Paypal, Shopify Payments, Shop Pay and more.