AG COMM SYSTEMS GTD-5 COM MEMORY PROCESSOR CARD FB16017-1A EGPQADP1XX
GTD-5 EAX
General Telephone Digital Number 5 Electronic Automatic Exchange, known as GTD-5 EAX, is a Class 5 telephone switch originally made by GTE Automatic Electric Laboratories, which became AG Communication Systems by joint venture with AT&T. AG Comm eventually fell under the ownership of Alcatel-Lucent, who now owns the GTD-5 EAX product line.