APPC Subsystem on MPE/XL Node Manager's Guide (30294-90007)

Chapter 4 107
APPC Subsystem Configuration
Configuration Illustrations
The third illustration, Figure 4-19, shows four session types using three
SNA nodes. The dotted lines represent APPC sessions that are
activated at subsystem startup.
Figure 4-19 Example Configuration, Four Session Types
Figure 4-19 shows two SNA networks. AS/400 #2 has intermediate
routing capabilities that allow it to connect the HP 3000 in network 1
with AS/400 #3 in network 2.