Introduction to Tandem X.25 Capabilities

Contents
iv 065307 Tandem Computers Incorporated
Section 2 Tandem X.25 Features and Capabilities
X25AM 2-1
Scope of Support 2-1
Subsystem Components 2-1
Flexible Call-Setup 2-4
Permanent and Switched Virtual Circuits 2-4
Subaddressing 2-4
Optional User Facilities 2-5
Call User Data Specification and Retrieval 2-11
Network Defaults 2-11
X25AM Connectivity 2-12
Connecting Local Asynchronous Terminals through X3PAD 2-13
Connecting Remote Asynchronous Terminals 2-15
Connecting to a PAD without a PSDN 2-17
Connecting to a LAN 2-18
Connecting to other Hosts via PSDNs 2-19
Connecting Multiple Tandem Systems 2-20
Connecting to InfoWay via SysWay 2-22
Connecting to SNA Networks 2-23
Connecting to LANs through TCP/IP 2-30
Connecting to OSI Networks 2-32
Tandem Hardware Environment 2-34
Section 3 X25AM Implementations
Electronic Mail Messaging Using X.400 over X25AM 3-1
Networking Communications between Guardian NonStop Systems and
the Integrity S2 3-2
Banking Application Using SNAX/XF over X25AM 3-4
Using Identical X.121 Addresses for Ease of Load-Sharing 3-6
Stock Exchange Using SNAX/XF and OSI over X25AM 3-8
Pharmacy Network Using X25AM ITI Protocol 3-10
Railway Reservation System Using TCP/IP and OSI over X25AM 3-12
Interfacing with a Private Frame-Relay Network 3-14