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Configuring and Managing 3270 Terminal Emulation (TN3270) 18-1
Chapter 18
Configuring and Managing 3270 Terminal
Emulation (TN3270)
Overview
Introduction
This chapter explains how to configure and manage the 3270 Terminal Emulator
(TN3270) software for the access server. This software enables ASCII terminals and
PCs to access IBM applications.
The TN3270 software enables an ASCII terminal to emulate an IBM 3278 Display
Station Model 2. The display screen of this model has 80 columns and 24 rows.
The TN3270 software performs the following tasks:
• Translates the ASCII terminal data stream into the 3270 data stream and transmits
it to the IBM host.
• Receives the 3270 data stream from the IBM host and translates it into the ASCII
terminal data stream.
The access server uses Telnet over TCP/IP to access applications on IBM hosts.
This chapter assumes a basic understanding of applications for IBM 3270 Information
Display Systems and terminal emulation. This chapter also assumes that the system
manager at the host site configures the appropriate TCP/IP software.