How do I wire up a filter and a dedicated wire in my outside NID? Verizon Online DSL FAQ| This is a step-by-step way to wire an outside NID (telco box that separates the inside house wiring from the outside telco wiring). This method needs to used if there's an alarm, or the existing wiring degrades the DSL line. NOTE: Tampering with "Telco side only" equipment may result in lose of service or fines. Telco side is open for illustrative purposes only. Home wiring details FAQ by kadar by edited by kadar | ||