Chapter 5 - System Maintenance
The three Functional Module LEDs function as a group. Each state of the Functional Module and its associated LED array is described in Table 
Figure 5-2:  Function Module LEDs
Module State  | STBY | FAIL | ACTIVE | 
  | 
  | 
  | 
  | 
ON  | OFF  | OFF  | |
conference  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
ON  | OFF  | ON  | |
conferences  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
OFF  | ON  | OFF  | |
out of operation  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
PARTIAL   | ON  | Flashing | ON/OFF  | 
part of board is out of operation  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
ON  | ON  | ON  | |
  | 
  | 
  | 
  | 
OFF  | OFF  | Flashing  | |
  | 
  | 
  | 
  | 
WAITING FOR   | Flashing  | Flashing  | OFF  | 
for MCMS to start loading software  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
LOADING SOFTWARE  | ON  | Flashing  | OFF  | 
  | 
  | 
  | 
  |