Subsystem Library
Input Subsystems
IP1, IP2, IP3

Input Subsystem Selector
Process Subsystems
P1, P2, P3, P4, P5, P6, P7 ,P8

Process Subsystem Selector
 
Output Subsystems
OP1, OP2, OP3

Output Subsystem Selector
 

Use the dropdown menus/icons above to select the subsystem(s) you would like to explore.