The equipment used for directly connecting two compatible data terminals for end-to-end data exchanges. Also used to connect a data terminal to a storeandforward switch.; 直接連接兩個兼容的數(shù)據(jù)終端并進行端到端數(shù)據(jù)交換的設備。這種設備也可以把一個數(shù)據(jù)終端連到存儲轉發(fā)交換結點。