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