2-48 
 
2.2.8.4 Three-Slot Module Rack Backplane 
The three-slot module rack backplane is a logical forwarding data board mainly used to power 
and communicate with the module rack. 
This board is configured with module rack software. 
 
Installation position of the three-slot module rack backplane 
 
 
Three-slot module rack backplane 
Three-slot module rack backplane 
The backplane is installed on the rear.