IBM 3174

3270
Devices
PC
Legend:
3270
Device
Token Ring
----Direct Connect
IBM
Host
PC
3174 Controller
(Medium-Cluster)
PC
--.:s:- Communication Facility
3174 Controller
(Large-Cluster)
3270
Device
3270
Device
Figure 1-1. Overview of the IBM 3174 Establishment Controller Attachment
1-2 IBM 3270 Information Display System 3174 Establishment Controller Introduction
ASCII
Printer
ASCII
Device
ASCII
Device