Envoy ACP/XF Configuration and Management Manual

EnvoyACP/XF Configuration and Management Manual—429232-003
2-1
2 Introduction to EnvoyACP/XF
EnvoyACP/XF is a data-link level interface for bit-synchronous communications. By
using EnvoyACP/XF, you can establish data links between your HP system and a
variety of remote computers, automatic teller machines, and bit-synchronous terminals
(Figure 2-1). Each machine is a station within a data communications network.
Topics discussed in this section include the following:
•
Protocols Supported on page 2-1
•
Point-to-Point Data Link on page 2-3
•
Multipoint Data Link on page 2-5
•
Half-Duplex and Full-Duplex Lines on page 2-6
•
The Architecture of NonStop S-Series Servers and Integrity NonStop NS-Series
Servers on page 2-8
Protocols Supported
EnvoyACP/XF works with the following bit-synchronous, data-link protocols:
Figure 2-1. Flexible Bit-Synchronous Communications
VST003.vsd
Host
Computer
Bit-Synchronous
Terminals
ATM
Host