Watchguard V10 Hardware Manual page 16

PART V: Administering a Security Policy
8
Power
Indicates whether the appliance has been fully turned on and is
ready for administration or use.
Alarm
Indicates when an alarm is activated. For more information on
alarms, see the System Administration Guide.
Admin
Illuminates when a user or system administrator is connected to
the Firebox Vclass appliance by means of the Vcontroller or the
WatchGuard CLI.
Ready
Blinks when the appliance is powering up or powering down. It is
steadily lit when the appliance is ready for network traffic.
Gigabit interfaces
Two Gigabit Ethernet interfaces, labeled 0 and 1 (corresponding to
Private and Public), act as the primary conduits through which
WatchGuard Firebox Vclass