Cisco uBR7246VXR Quick Start Manual

Universal broadband router

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User manual (7 pages)

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Page 1 Cisco uBR7246VXR Universal Broadband Router INCLUDING LICENSE AND WARRANTY Cisco One-Year Limited Hardware Warranty Terms Overview Site Preparation Installing the Chassis Connecting the Chassis to Power Powering on the Cisco uBR7246VXR Router Troubleshooting the Installation Related Documentation Obtaining Documentation and Submitting a Service Request...
Page 2: Cisco One-Year Limited Hardware Warranty Terms
Cisco One-Year Limited Hardware Warranty Terms There are special terms applicable to your hardware warranty and various services that you can use during the warranty period. Your formal Warranty Statement, including the warranties and license agreements applicable to Cisco software, is available on Cisco.com.
Page 3 • Supports 1+1 interchassis redundancy (does not require the RF switch). The Cisco uBR7246VXR routers may be installed on a tabletop or rack-mounted. A rack-mount kit ships from the factory with each router. The rack-mount kit includes the hardware used to mount the router in a standard 19-inch equipment rack or relay-type rack.
Page 4: Card Slot And Logical Interface Numbering
Figure 1 Front and Rear Chassis Views Internal fans Clock card Fan tray handle Captive installation screws (line cards) Cable interface line cards Port adapters I/O controller Console port 1. AC power supplies are shown in this illustration. DC power supplies are also available. Card Slot and Logical Interface Numbering Port adapter and cable interface line card slots maintain the same slot number regardless of whether other port adapters or cable interface line cards are installed or removed.
Page 5: Site Preparation
Vibration, nonoperating Power Guidelines Follow these precautions and recommendations when planning power connections to the Cisco uBR7246VXR router: • Check the power at your site before installation and periodically after installation to ensure that you are receiving clean power. Install a power conditioner if necessary.
Page 6: Cabling Guidelines
IEC 60950 based safety standards. Statement 1033 The Cisco uBR7246VXR router (using DC power supplies) is not shipped with wiring to connect to a DC power source. You must provide input, return, and earthing (grounding) wiring at the site, and install and protect the wiring in accordance with local and national wiring regulations.
Page 7: Installing The Chassis
• Allow sufficient clearance around the rack for maintenance.You need 36 in. (91.44 cm) of clearance to remove and replace system components. • If the Cisco uBR7246VXR chassis is the only unit in a rack, mount the chassis at the bottom of the rack. Use the rack-mount kit that comes with the chassis.
Page 8: Attaching The Rack-Mount Brackets
Verifying Contents After Unpacking Power cables, manuals, and other additional items are packaged in separate boxes. After you have unpacked the system, verify that you have received all the required components and documentation. Step 1 Using the packing list as a guide, verify that you have received everything that is listed, including the following: a.
Page 9 Installing the Rack-Mount Brackets on the Rear of the Chassis Rack-mount bracket There are eight holes in each of the rack-mount brackets for the Cisco uBR7246VXR. You may use either set Note of four holes to align the bracket to the threaded holes in the sides of the chassis.
Page 10 Figure 5 Installing the Rack-Mount Brackets so the Front of the Chassis Is Flush with the Rack Rack-mount bracket You cannot use the cable management bracket in this configuration. Note Figure 6 Installing the Rack-Mount Brackets so the Front of the Chassis Protrudes Out of the Rack Rack-mount bracket Attach the Rack-Mount Brackets to the Middle of the Chassis To install the rack-mount brackets for an open or relay-type rack-mount configurations, complete the following steps:...
Page 11: Installing The Cable-Management Brackets
Figure 7 Installing the Rack-Mount Brackets in the Middle of the Chassis for Open or Relay-Type Racks Rack-mount bracket Installing the Cable-Management Brackets If you are rack-mounting the chassis at the rear or middle of the chassis, both rack-mount brackets and the cable-management bracket must be installed before the chassis is installed in the rack.
Page 12: Installing The Chassis In The Rack
Installing the Chassis in the Rack Warning This unit is intended for installation in restricted access areas. A restricted access area can be accessed only through the use of a special tool, lock and key, or other means of security. Statement 1017 Because the brackets support the weight of the entire chassis, be sure to use all of the required slotted screws to Caution fasten the two rack-mount brackets to the rack posts.
Page 13: Connecting The Chassis To Ground
Chassis Ground Location Caution The Cisco uBR7246VXR router installation must comply with all applicable codes and is approved for use with copper conductors only. The ground bond fastening hardware should be of compatible material and preclude loosening, deterioration, and electrochemical corrosion of hardware and joined material. Attachment of the chassis ground to a headend, hub, or other interior ground system should be made with a 6-AWG, copper ground conductor at a minimum.
Page 14 Ensure that there is no power going to the router. Step 1 Strip approximately 0.75 in (2 cm) of shielding from the wire. Step 2 Step 3 Insert the stripped end of the wire into the open end of the ground lug, and crimp the lug. Step 4 Slide a segment of heat shrink tubing over the exposed grounding lug and wire connection.
Page 15: Connecting The Chassis To Power
Metal objects will heat up when connected to power and ground and can cause serious burns or weld the metal object to the terminals. Statement 43 Detailed instructions for handling and replacing the Cisco uBR7246VXR router power supplies are contained in the Note...
Page 16: Ac Power Supplies
AC Power Supplies Step 1 At the rear of the router, ensure that the power switch on the power supply is in the OFF (0) position. Step 2 Slide the cable-retention clip to the left, away from the AC receptacle, and plug in the power cable. Secure the cable in the power supply AC receptacle by sliding the cable-retention clip to the right until it fits around Step 3 the connector.
Page 17 Tools • 8-mm wrench or nut driver, or adjustable wrench (for connecting a grounding lug to a DC-input power supply only) • 7-mm wrench or nut driver, or adjustable wrench (for connecting the DC-input power lead strain-relief cover to a DC-input power supply only) •...
Page 18 Figure 12 Replacing the Strain-Relief Cover on a DC-Input Power Supply Power switch Captive installation screw (on both sides of power supply) M5 grounding receptacles M5 grounding lug – 48V lead + 48V lead Figure 12 shows the grounding lug connected to the two vertically aligned M5 grounding receptacles. You may also connect the grounding lug to the two horizontally aligned M5 receptacles.
Page 19: Powering On The Cisco Ubr7246Vxr Router
Listen for the fans; you should immediately hear them operating. In a very noisy environment, also look for air movement around the chassis to verify that the fans are operating. If the Cisco uBR7246VXR router was recently switched off, it might take up to 90 seconds for the power supply to restart and the fans to start operating.
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. 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-shut is applied.
Page 21: Troubleshooting The Installation
ENABLED LED remains off after you have verified that it is properly installed, verify that the hardware revision of the port adapter in question is supported by the Cisco uBR7246VXR. Use the show diag command (Router# show diag slot) to determine the type of port adapter and then check the product website to determine compatibility.
Page 22: Other Troubleshooting Information Websites
If you are using a Cisco uBR7200-NPE-G1, you do not need an I/O controller module installed in the chassis. Use Note the show version command (Router# show version 3. If the clock card ENABLED LED is off, verify that the card is securely installed in the chassis. 4.
Page 23: Related Documentation
Related Documentation • Cisco uBR7200 Series Universal Broadband Router Hardware Installation Guide, at the following URL: http://www.cisco.com/en/US/products/hw/cable/ps2217/prod_installation_guides_list.html • Field-replaceable units (FRU) information, at the following URL: http://www.cisco.com/en/US/products/hw/cable/ps2217/prod_installation_guides_list.html • Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide, at the following URL: http://www.cisco.com/en/US/products/hw/cable/ps2217/products_installation_and_configuration_guides_list.html •...
Page 24: Obtaining Documentation And Submitting A Service Request
Obtaining Documentation and Submitting a Service Request For information on obtaining documentation, submitting a service request, and gathering additional information, see the monthly What’s New in Cisco Product Documentation, which also lists all new and revised Cisco technical documentation, at: http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html Subscribe to the What’s New in Cisco Product Documentation as a Really Simple Syndication (RSS) feed and set content to be delivered directly to your desktop using a reader application.
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Cisco uBR7246VXR Quick Start Manual

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