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OCR: TIME WARNER CABLE FULL SERVICE NETWORK ARCHITECTURE Forward control ATM Analog CATV AT&T multiplexer High channels HCT: Globeview 2000 speed Quadrature Home channels Amplitude Communications SGI High- ATM Modulator RF DSB Terminal Challenge speed switch XL channels ATM OC3¢ Reverse multiplexer Demodulator control Session manager Ethemet or FDDI Trouble Transaction: Equipment Network Subscriber management system/ management Billing collection inventory management ... Operations support systems Figure 1. The Time Warner Cable Full Service Network trial in suburban Orlando, FL, uses a switched digital interactive architecture to route customer requests at speeds from 1.5Mbps to full ATM speeds of 155Mbps.