VSC6134 datasheet(2/2 Pages) VITESSE

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arbitrary data streams of approximately 10 Gb/s for applications

in data and telecom networks. It is especially suitable for

OC192c/STM- 64 SONET/SDH and 10Gbps Ethernet applications,

as it supports monitoring and termination of section and line

overhead as well as RMON.

As recommended by ITU-T G.709, in standard FEC mode, error

coding is performed using a 16X interleaved block oriented

Reed-Solomon RS (255,239) coder, resulting in a maximum

correctable burst error length of 1024 bits. In enhanced FEC

mode, a different code with iterative decoding is used to provide

increased code gain. Due to the out of band transmission of the

parity bits and framing/overhead information, the transmission

rate is increased by a factor of 1.07 in both standard and

enhanced FEC mode resulting in a 10.7 Gb/s transmission rate.

GENERAL DESCRIPTION:

10 Gb/s Transport Processor with Enhanced FEC

VSC6134

The VSC6134 is a bi-directional transport

processor

providing

Forward

Error

Correction (FEC), SONET/SDH section and

line processing, 10 Gb/s Ethernet performance

monitoring and G.709 Digital Wrapper

termination and generation for fiber optic

transmission lines operating at approximately 10 Gb/s. As

recommended by ITU-T G.975 and G.709, VSC6134 provides FEC

based on a block oriented Reed-Solomon code RS(255,239) in

addition to an optional proprietary FEC code that provides

increased gain with the same overhead as RS(255,239). The

required error correction symbols are transferred out of band

increasing the transmission data rate by 7.1%.

The VSC6134 FEC device provides superior error correction of

APPLICA TION DIAGRAMS:

Transparent

10 x GbE

OTU2

G.975 / eFEC

VSC6134

G.709

Mapper

Campbell

VSC7331

MAC

VSC9118

VC / GFP

Mapper

VSC8479

CMOS

10g Xceiver

SPI4.2

SFI4

STS192/STM64

10G CBR/

OTU2 /

SuperFEC

VSC6134

G.709

Mapper

VSC8479

CMOS

10g Xceiver

SFI4

VSC1137/

VSC1138

MUX /

DMUX

SFI4

Data Over G.709 Digital Wrapper

TDM Over G.709 Digital Wrapper

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