Attachment 1.2_Diagram of DSL Lines_Jefferson Barracks.pdf

This is a technical diagram showing the DSL network infrastructure at the Jefferson Barracks facility of the St. Louis VA Medical Center. The image displays an aerial view of multiple buildings connected by DSL lines radiating from a central DSLAM Concentrator Enable-IT 8950 system, which provides Ethernet data and voice lines up to 8,000ft over a 2-wired telephone line wiring.

The diagram indicates specific connection distances and speeds: up to 700ft supports 100Mbps, 700ft to 1,350ft supports 90Mbps, and 1,350ft to 1,970ft supports 70Mbps. Various buildings are connected with DSL lines of different lengths, including connections of 1600 feet, 1750 feet, 1000 feet, 1100 feet, and 300 feet. Key locations shown include Building 1, Building 23, Building 3, Building 51, and several rooms designated as Rm GC12, Rm G02B, Rm 114, Rm 1E10, Rm 1N120, and Rm 1S53.