Cisco AS5350 Series Manuale di riferimento rapido - Pagina 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