Specifies which Telnet protocol is being used to communicate with the host. The value of this setting can change during a session. The values are:
|NVT||The Network Virtual Terminal protocol is in use.|
|TN3270||Standard TN3270 protocol is in use.|
|TN3270E||Extended TN3270 protocol (RFC 1647) is in use.|
|TN5250||Standard TN5250 protocol is in use.|
This setting is read-only.