Fujitsu PRIMERGY BX920 S2 Operating Manual page 46

Control and display elements
Status indicators for the I/O fabrics* (green)
– Lights up to indicate a network connection.
– Flashes to indicate an active network connection.
– Does not light up if there is no network connection.
* The three I/O fabrics of the server blade are:
Fabric 1: onboard LAN controller
Fabric 2: mezzanine card 1
Fabric 3/4: mezzanine card 2
Hard disk drive indicators
Figure 7: Indicators on the 2.5-inch HDD module
1 HDD BUSY (green)
– Lights up: HDD in active phase
– Does not light: HDD inactive (drive inactive)
42 Operating Manual
BX920 S2