2.5G PDH/SONET/SDH Packet Mapper (TPW48-P)

2.5G capacity packet mapper for lower and higher order SONET/SDH and PDH


Data Rate


Under 10G

SoftSilicon® Mappers

General Description

The TPW48-P packet mapper is a 2.5 Gbps Packet over SONET/SDH mapper. It supports up to 128 VCAT groups based on higher or lower order SONET/SDH containers. LCAS is supported for hitless increase/decrease of capacity.


  • The TPW48-P packet mapper supports both Ethernet over SONET/SDH mapping and Ethernet over Packet-PDH mapping
  • Up to 128 VCAT groups based on higher or lower order SONET/SDH/PDH containers
  • Support of LCAS for hitless increase/decrease of capacity


  • 2.5 Gbps throughput
  • Up to 336 DS-1/252 E1 connections
  • Up to 48 DS-3/E3 connections
  • OC-48/STM-16 interface
  • SPI-3 interface
  • Full SONET/SDH overhead processing
  • Full support for GFP/VCAT/LCAS
  • 64 virtual concatenation groups
  • 64 msec differential delay compensation
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