Labels:text | screenshot | diagram | display OCR: ADLINK HEADQUARTERS Tocal ista pperator's ¿nesdení; Digital holisortich SMDS Network IT-1 connection Ethernet LAN Figure 2. By using SMDS, Adlink is able to send digitized and compressed connnercials at T-1 speeds to its 65 cable operator headend facilities. SMDS allows Adlink to create subgroups based on demographics, geographic ponticr, and cable systein owner, so customized ads can be sent to appropriate viewers.