Cisco Cisco UBR-MC20X20V DOCSIS 3.0 Broadband Processing Engine Installation Guide
Americas Headquarters:
Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USA
Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USA
Cisco UBR-MC20X20V Cable Interface Line
Card Quick Start Guide
First Published: November 16, 2009
Last Updated: May 10, 2010, OL-24934-01
Overview
The Cisco UBR-MC20X20V cable interface line card transmits and receives radio frequency (RF)
signals between the subscriber and the headend.
signals between the subscriber and the headend.
The Cisco UBR-MC20X20V line cards have five downstream (DS) ports and twenty upstream (US)
ports. The line card supports five cable MAC domains (cable interfaces), and the 20 DS and 20 US
channels are dynamically associated with any of these five MAC domains. The card has twenty US
spigots and five DS spigots. Each of the US spigots supports either two-frequency stacked US channels
across ten ports or a single US channel across twenty ports. Each of the DS spigots supports
four-frequency stacked channels across five ports.
ports. The line card supports five cable MAC domains (cable interfaces), and the 20 DS and 20 US
channels are dynamically associated with any of these five MAC domains. The card has twenty US
spigots and five DS spigots. Each of the US spigots supports either two-frequency stacked US channels
across ten ports or a single US channel across twenty ports. Each of the DS spigots supports
four-frequency stacked channels across five ports.
shows the Cisco UBR-MC20X20V line card faceplate with Configured as
UBR-MC20X20V-20D bar code label printed on it to indicate that the software license installed on the
card supports 20 DS channels. The product ID (PID) of this card is UBR-MC20X20V-20D.
card supports 20 DS channels. The product ID (PID) of this card is UBR-MC20X20V-20D.