OSI/TS Configuration and Management Manual

Introduction
OSI/TS Configuration and Management Manual—424831-001
1-6
Software Architecture
Figure 1-4 shows the data flow between the OSI/TS subsystem and underlying
subsystems.
Figure 1-3. Compaq OSI Architecture : OSI/TS and Underlying Subsystems
103CDT .CDD
Transport
Network
Data Link
Physical
Layer
OSI/TS
Subsystem
LAN
LAN *
LAN **
Controllers
LAN Driver
/Interrupt
Handler
WAN
X25AM
Subsystem
Controllers
RS-232C,
RS-449,
X.21, V.35