Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set - Manual (Page 482)

Section 9A
Operator Interface
9A-15
The operator panel interface assembly is used to makes all connections
between the 9/Series control and the removable operator panel. Install an
interface assembly in the 9/Series fiber optic I/O ring at any location you
intend to connect a removable operator panel.
Figure 9A.9
Placing Operator Panel Interface Assemblies
Amplifier
Servo
Operator panel
interface assembly
Fiber optics to/from other
9/Series I/O devices
9A.3.1
Installing the Removable
Operator Panel Interface
Assembly