HP StoreOnce Backup - Manual (Page 116)

Rear LEDs
Figure 20 HP D2D4324/4312 rear panel LAN LEDs
Steady green: The LAN connection is using 10 Mbps/100
Mbps link. 1. LAN network speed LED indicator
Steady amber: The LAN connection is using a GbE link.
Off: No connection.
Flashing green: Ongoing network data activity. 2. LAN activity status LED indicator
Off: No network data activity or no connection.
HP D2D4112/4106 Backup System
Front LEDs on the HP D2D4106/4112
Figure 21 Front LEDs on the HP D2D4112 and 4106 Backup System
Steady blue: identifies the unit
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1. HP D2D Beacon LED
116 Understanding LEDs