ProSecure Web/Email Security Threat Management (STM) Appliance Reference Manual
Introduction 1-9
v1.0, September 2009
The function of each STM150 LED is described in the following table:
Table 1-2. LED Descriptions for the STM150
Object Activity Description
Power On (Green) Power is supplied to the STM.
Off Power is not supplied to the STM.
Test On (Amber) during
startup.
The STM is initializing. After approximately 2 minutes, when the STM
has completed its initialization, the Test LED turns off. If the Test LED
remains on, the initialization has failed.
Off The system has completed its initialization successfully. The Test LED
should be off during normal operation.
Blinking (Amber) The STM is shutting down.
Software is being updated.
A hot fix is being installed.
One of the three licenses has expired. To stop the Test LED from
blinking, renew the license, or click the Stop LED Blinking button on
the System Status screen (see “Viewing System Status” on page 6-19).
Uplink (WAN) Port
Left LED Off The WAN port has no physical link, that is, no Ethernet cable is plugged
into the STM.
On (Green) The WAN port has a valid connection with a device that provides an
Internet connection.
Blink (Green) Data is being transmitted or received by the WAN port.
Right LED Off The WAN port is operating at 10 Mbps.
On (Amber) The WAN port is operating at 100 Mbps.
On (Green) The WAN port is operating at 1000 Mbps.
Downlink (LAN) Ports
Left LED Off The LAN port has no link.
On (Green) The LAN port has detected a link with a connected Ethernet device.
Blink (Green) Data is being transmitted or received by the LAN port.
Right LED Off The LAN port is operating at 10 Mbps.
On (Amber) The LAN port is operating at 100 Mbps.
On (Green) The LAN port is operating at 1000 Mbps.