Table Of Contents

Clock Source Paths

Clock Source Paths

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The schematics in this appendix display the various clock source paths established by the Cisco Cable Clock Card in a Cisco uBR7246 VXR depending on your external connection(s) and configuration.

Figure A-1 Primary External Clock Source

Figure A-2 Secondary External Clock Source

Figure A-3 Secondary External Clock Source Driving Midplane

Figure A-4 Secondary Internal Clock Source