TN3270e Server Manual

Introduction to the TN3270e Server
TN3270e Server Manual—422923-003
1-5
TN3270 Protocol Restrictions
TN3270 Protocol Restrictions
Due to limitations of the public-domain TN3270 protocol, the following 3270 terminal
features are not supported:

Negative terminal responses

PTR (printer) protocol

RFC 2355 SNA-specific functions:

SCS-CTL-CODES

BIND-IMAGE

RESPONSES

SYSREQ

ATTN key
Note. For details about the differences between the TN3270e server and the traditional
Guardian TN3270 server by protocol, see Differences by Protocol
on page 1-11.