ÖNORM EN 300324-4 V 3.1.1:2001-06
Действует
V interfaces at the digital Local Exchange (LE) - V5.1 interface for the support of Access Network (AN) - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the network layer (AN side) (incl. Diskette!!!)
