| Subject | English | Italian |
| comp., MS | loopback address | indirizzo di loopback (The address of the local computer used for routing outgoing packets back to the source computer. This address is used primarily for testing) |
| commun. | loopback field | campo loopback |
| commun. | loopback function | funzione loopback |
| commun. | loopback message | messaggio di loopback |
| IT | loopback test | verifica d'anello |
| CNC | loopback test | controllo per realimentazione |
| commun. | loopback,to | eseguire un loopback |