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Copyright © 1998, Cisco Systems, Inc. All rights reserved. Printed in USA. 5 M 63 © 1999, Cisco Systems, Inc. 65 K homes, (average CNR of 33 dB) Resultant CNR approximately 27 dB OK • Quantity of uBR-MC16 CMTS modules needed? 60 nodes/4 nodes per receiver = 15 receivers To support 9 receivers, 3 uBR-MC16C required • Quantity of uBR7246 needed? 1 uBR7246 required 206 1071_05F9_c1 © 1999, Cisco Systems, Inc. Copyright © 1998, Cisco Systems, Inc. All rights reserved. Printed in USA. 3 Mbs required Subscriber load 3531 residential 5 business 206 1071_05F9_c1 65 © 1999, Cisco Systems, Inc.

Copyright © 1998, Cisco Systems, Inc. All rights reserved. Printed in USA. scr 92 46 206 1071_05F9_c1 © 1999, Cisco Systems, Inc. Copyright © 1998, Cisco Systems, Inc. All rights reserved. Printed in USA.

All rights reserved. Printed in USA. scr 88 44 Conclusion Defining the Solution Investors Products Business Case Standards Market Dynamics 206 1071_05F9_c1 Infrastructure 89 © 1999, Cisco Systems, Inc. Conclusion • Hardware limitations include: Receiver CNR limits Number of recommended subscribers per CMTS Router switching speed • Business case limitations include: Downstream data rate commitments upstream data rate commitments Planning Will Lead to Success! 206 1071_05F9_c1 © 1999, Cisco Systems, Inc.

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