Bonded DSL: How It Works and How to Set It Up for Faster Speeds Bonded DSL is one of the simplest ways to boost internet speed when fiber isn’t available. Instead of relying on a single copper pair, bonded service uses two pairs working together , doubling the bandwidth your line can carry. Many new techs think bonding is complicated, but once you break it down, it’s just two phone lines running side by side. What Bonded DSL Actually Does Bonding combines two DSL circuits into one logical connection. Each circuit runs on its own copper pair, and the modem merges them into a single faster link. This setup is common in areas where copper is still the main infrastructure and customers need more speed than a single pair can deliver. How the Central Office Fits In The central office (CO) is where your customer’s service originates. Inside the CO you’ll find: Line cards that generate dial tone DSLAM/DSL cards that provide internet service Pair assignments that map each custom...