Quick Reference Guide

Chapter 1. Introduction | 15
ProSecure Web/Email Security Threat Management (STM) Appliance
Note: All Gigabit Ethernet ports provide switched N-way, automatic
speed-negotiating, auto MDI/MDIX technology.
The function of each STM150 LED is described in the following table:
Table 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 hotfix 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 192).
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.