Cisco Systems uBR7246VXR quick start

Page 20

The amplitude and shape of the downstream IF carrier does not change after the router is configured, regardless of modulation scheme used whether 64 or 256-QAM.

Tip By default, Cisco uBR-MC16U or Cisco uBR-MC28U cable interface line cards have no output until the DS freq is set and the command no cab down rf-shutis applied.

20

Image 20

Contents Cisco uBR7246VXR Universal Broadband Router Cisco One-Year Limited Hardware Warranty Terms Duration of Hardware WarrantyReplacement, Repair, or Refund Policy for Hardware To Receive a Return Materials Authorization RMA NumberStatement OverviewCisco uBR7246VXR Components Card Slot and Logical Interface Numbering Front and Rear Chassis ViewsPower Guidelines Temperature and Humidity RequirementsSpecification Minimum Maximum Site PreparationPower Connection Guidelines for DC-Powered Systems IEC 60950 based safety standards. StatementCabling Guidelines Ethernet and Fast Ethernet ConnectionsInstalling the Chassis Rack-Mount Installation GuidelinesWorkbench and Tabletop Installation Guidelines Installation Tools and EquipmentVerifying Contents After Unpacking Attaching the Rack-Mount BracketsAttach the Rack-Mount Brackets to the Rear of the Chassis Attach the Rack-Mount Brackets to the Front of the ChassisAttach the Rack-Mount Brackets to the Middle of the Chassis Installing the Cable-Management Brackets Location of Cable Management BracketInstalling the Chassis in the Rack Use copper connectors only. Statement Installing the Chassis on a Workbench or TabletopConnecting the Chassis to Ground Page Connecting the Chassis to Power AC and DC Power SuppliesAC Power Supplies DC Power SuppliesTools Disconnected last. StatementReplacing the Strain-Relief Cover on a DC-Input Power Supply CablingPowering on the Cisco uBR7246VXR Router Page Troubleshooting the Installation Identify Startup ProblemsOther Troubleshooting Information Websites Related Documentation Obtaining Documentation and Submitting a Service Request