Cisco AS5350 - Universal Access Server Краткое справочное руководство - Страница 26
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When to Sell
Sell This Product
When a Customer Needs These Features
Cisco 6920 RateMUX
• Cable operators who are interested in the ability to increase the number of programs in their existing
• The upgrade of cable plants from 64 to 256 QAM provides another opportunity for operators to add
• The rollout of HDTV presents a need to support SDTV in the unused portion of the HDTV transport.
Key Features
• Transport grooming allows customization of digital program lineups
• Transration supports significant bit rate reduction on individual input programs
• Statistical multiplexing optimizes output bandwidth
• MPEG splicing enables local ad insertion in the digital domain
Competitive Products
• Terayon: CherryPicker
• Harmonic: Transrater
Specifications
Feature
Cisco 6920 RateMUX
Digital Video Format
MPEG2 Main Profile at Main Level Bit Rate less than or equal to 15 Mbps for transcoding; 20 Mbps for pass
through VBR or CBR systems
Video Resolution
Vertical: 480, 240 (NTSC), and 576, 288 (PAL); Horizontal: 704, 544, 352
Video Aspects Ratios
4:3 or 16:9
Digital audio formats
Musicam, Dolby AC3
Ethernet Port
10BaseT; TCP/IP (for remote management/configuration)
Input Interface
Number of inputs: Up to 15 discrete transport streams
Interface: DHEI, DVB-ASI; Information rate: 40 Mbps for DHEI, 216 Mbps for DVB-ASI
Output Interface
Number of outputs: Up to 3
Interface: DHEI, DVB-ASI for use with either 64 or 256 QAM; Information rate: 40 Mbps for DHEI, 54 Mbps
for DVB-ASI
For More Information
See the Cisco 6920 RateMUX Web site: http://www.cisco.com/go/6900rm
Cisco 6920 RateMUX Statistical Multiplexer
7-24
digital tier will find the Cisco 6920 RateMUX of interest.
programming to their digital tier.
Chapter 7
Broadband and Dial Access Products
• Scientific Atlanta: PowerVu Plus™ BitMizer
• Big Band Networks: Broadband Media Router