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5-3
Cisco uBR-3x10 RF Switch Hardware Installation and Cabling Guide
OL-1984-06
Chapter 5 Cabling the RF Switch With the Cisco uBR7246VXR CMTS
Protection Scheme for the Cisco uBR7246VXR CMTS
Figure 5-2 shows a chassis configuration using Cisco MC28C cards, two RF switches, and three
upconverters. Three upconverters are required for this configuration.
Note The Cisco uBR-MC28U cable interface line cards have onboard upconverters. Upconverters are not
required in a configuration using this line card.
Figure 5-2 Racked Cisco uBR7246VXRs Routers, RF Switches, and Upconverters (MC28C)
95810
UPx1
RFS-2
RFS-1
UPx2
UPx3