Supported 3270 terminal types

The topic describes the capabilities of the 3270 devices that Telnet supports. Make sure that your Telnet client 3270 is negotiating one of the supported 3270 terminal types.

Table 1. Full-screen workstation mappings
Device type	Device capabilities
3277	This display station supports generic 3270 data streams. Extended attributes, such as underlining, blinking, reverse image, or color are not supported.
3278	This station supports extended attributes, such as blinking, reverse image, and underlining if requested by the i5/OS^® Data Description Specifications (DDS) keywords. Notes: Extended attributes are not supported by some client implementations of Telnet 3270 full-screen mode (TN3270). Double-byte character set (DBCS) terminals type are terminals that negotiate a 3278-2-E terminal type are supported.
3279	This display station supports color attributes and the extended data stream attributes sent for a 3278 device. The color attributes are determined (in the same manner as a 5292 Full Color Display) by interpreting the DDS attributes as blinking, high intensity, or the DDS color keywords.

Parent topic:

Configuring Telnet server for 3270 full-screen mode