Patent ID: 7599391
Filing Date: 2009-10-06
Classification: H04L

Abstract:
1. A rate adaptation layer (RAL) module for converting from a first interface operating at a first rate to a second interface operating at a second rate, comprising: first and second input/output (I/O) modules that communicate with the first and second interfaces, respectively; a repeater module that receives symbols from said first I/O module, and transmits said symbols n times to said second I/O module, where n is determined by the first and second rates; a pull-down module that receives symbols from said second I/O module, and selectively extracts symbols to be communicated to said first I/O module; and a delimiter injection module that communicates a start symbol to said second I/O module to indicate a packet beginning and communicates a terminate symbol to said second I/O module to indicate a packet ending, wherein said delimiter injection module replaces a data symbol communicated from said repeater module to said second I/O module with said start symbol.