Fujitsu PRIMERGY BX922 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
46 Operating Manual
Installation and operation
BX922 S2