VSC9118中文資料VITESSE數(shù)據(jù)手冊PDF規(guī)格書

GENERAL DESCRIPTION

The VSC9118 is a 10 Gb/s multi-service SONET/SDH data mapping device that supports both contiguously concatenated and virtually concatenated transport channels.

FEATURES

? 64 STS-1/VC-3, 48 TU-3/VC-3, or 16 STS-3c/VC-4 Virtual

Concatenation Groups

? Link Capacity Adjustment Scheme (LCAS) with Hitless Adds and

Removes and Fault Isolation

? External DDR 64 bit SDRAM for Diverse Routing Applications.

Differential Delays of up to 108 ms

? Flexible Payload Processing for Generic Framing Procedure (GFP).

Support for Several Interfacing Formats including Ethernet Frames

? Supports HDLC-like framing: PoS - RFC2615, LAPS - X.85, and X.86

? System Packet Interface Level 4 (SPI-4), Phase 2, 16-bit Interface

? Dual 4x 2.5 Gb/s Serial STS-48/STM-16-like Backplane Interfaces

or Dual 4 x 622 Mb/s Serial STS-12/STM-4-like Backplane Interfaces

with Performance Monitoring for Connection to Working and

Protection TSIs

? SerDes Framer Interface Level 4 (SFI-4) 16-bit Interface

? Full Access to SONET/SDH Section and Line-Overhead Bytes via

Dedicated Ports

? Access to Selected Section and Line Overhead Bytes via Special

Purpose Ports

? Complete STS-192/VC-4-64 Section, Line, and Path Termination

and Generation

? Two-Level Pointer Generation and Interpretation for SDH Mapping

of TU-3/VC-3 into AU-4

? Channelized Payload Mapping into AU-4/TU-3/VC-3, STS-1/VC-3,

STS-3c/VC-4, STS-12c/VC-4-4c, STS-48c/VC-4-16c or Virtual Groups

Composed of AU-4/TU-3/VC-3s, STS-1/VC-3s, or STS-3c/VC-4s

? Extensive Performance Monitoring Features

APPLICATIONS

? Point-to-Point Linear Configurations Such as a Multi-Service Router/

Switch or Point-to-Point Transport

? SONET/SDH ADM and TSI Switching Systems

? Gigabit Ethernet Transport Applications Utilizing LAPS or GFP Frame

Encapsulations

? Point-to-point Packet-Over-SONET (PoS) Router Applications

? Data Channels or Payloads can be Shared Among up to 192 Transport

Channels by Using Contiguous Concatenation and/or Virtual Concatenation