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Cisco uBR-3x10 RF Switch Hardware Installation and Cabling Guide
OL-1984-06
Chapter 4 Cabling the RF Switch With the Cisco uBR10012 CMTS Cable Interface Line Cards
Protection Scheme for the Cisco uBR10012 CMTS
Cisco uBR 3x10 RF Switch with the Cisco uBR10-MC5X20S/U/H Cable Interface
Line Cards
A single Cisco uBR10012 router supports up to eight Cisco uBR10-MC5X20S/U/H cable interface line
cards, each featuring 5 downstream and 20 upstream cable interfaces for a total of 40 downstream and
160 upstream interfaces in the chassis.
For this installation, two Cisco uBR 3x10 RF Switches are required to deploy a redundancy scheme in
which one protect cable interface line card supports from one to seven working cable interface line cards
in the same chassis. See Figure 4-2.
Note No upconverter is required here as the Cisco uBR10-MC5X20 line cards have built in upconverters.
Figure 4-2 Racked Cisco uBR 3x10 RF Switches with Cisco uBR5X20S/U/H Cable Interface Line
Cards
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103780
Cisco uBR 3x10
RF Switch 1
Cisco uBR 3x10
RF Switch 2
Cisco uBR10012 CMTS
Flush front
Cable management
bracket