Figure 1: Insert the I/O module
 
 | 1 Lever | 
| 2 Release button | 
Figure 2: I/O module SAS connector ports
 
 | 1 SAS connector ports | 
The Power LED emits a steady green light.
The Fault LED is off.
All four Activity LEDs emit a green light for each SAS-2 port that has an SAS interface cable connected to it.