ETSI ETS 300 324-6 English Printed Edition English PDF V interfaces at the digital Local Exchange (LE); V5.1 interface for the support of Access Network (AN); Part 6: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the network layer (LE side)

standard published 04/01/1999 by European Telecommunications Standards Institute