Secure Computing SG300 User Manual page 11

Front panel LEDs
The front panel contains LEDs indicating status. An example of the front panel LEDs are
illustrated in the following figure and detailed in the following table.
Label
Power
H/B (Heart
Beat)
Failover
High Avail
Online
Note
If H/B does not begin flashing 20 – 30 seconds after power is supplied, refer to Appendix
E, Recovering From a Failed Upgrade.
Front panel
The front panel contains two 10/100 Ethernet four port switches (A and B), two 10/100
Ethernet ports (C and D), and analog/ISDN modem (Serial), as well as operating status
LEDs and the configuration reset button (Erase).
On the front panel Ethernet ports, the right hand LED indicates the link condition, where a
cable is connected correctly to another device. The left hand LED indicates network
activity.
Introduction
Activity Description
On Power is supplied to the SnapGear unit.
Flashing The SnapGear unit is operating correctly.
On If this LED is on and not flashing, an operating
error has occurred.
On The SnapGear unit has switched to the backup
Internet connection.
On The SnapGear unit has switched to a backup
device.
On An Internet connection has been established.
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