This document provides information about purchasing an ADC 4-26727-9100 DSX 3/4 MOD ASSY 19 part from Launch 3 Telecom. It details how to purchase the part via phone, email, or online request form as well as payment and shipping options. It also provides information about warranty, customer service, and additional services offered by Launch 3 Telecom such as repairs, maintenance contracts, and equipment deinstallation.