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ProSecure Web/Email Security Threat Management (STM) Appliance Reference Manual
7-2 Troubleshooting and Using Online Support
v1.0, September 2009
Basic Functioning
After you turn on power to the STM, the following sequence of events should occur:
1. When power is first applied, verify that the PWR LED is on.
2. After approximately two minutes, verify that:
a. The Test LED (STM150) or Status LED (STM300 and STM600) is no longer lit.
b. The LAN port Left LEDs are lit for any local ports that are connected.
c. The WAN port Left LEDs are lit for any WAN ports that are connected.
If a port’s Left LED is lit, a link has been established to the connected device. If a port is
connected, verify the following Right LED behavior in relation to the established port speed:
• Connected to a 1000-Mbps device:
– STM150: The Right LED is green.
– STM300: The Right LED is amber.
– STM600: The Right LED is amber.
• Connected to a 100-Mbps device:
– STM150: The Right LED is amber.
– STM300: The Right LED is green.
– STM600: The Right LED is green.
• Connected to a 10-Mbps device: for all STM models, the Right LED is off.
If any of these conditions do not occur, see the appropriate following section.
Power LED Not On
If the Power and other LEDs are off when your STM is turned on, make sure that the power cord is
properly connected to your STM and that the power supply adapter is properly connected to a
functioning power outlet. If the error persists, you have a hardware problem and should contact
NETGEAR Technical Support.
Test LED or Status LED Never Turns Off
When the STM is powered on, the Test LED (STM150) or Status LED (STM300 and STM600)
turns on for approximately 2 minutes and then turns off when the STM has completed its
initialization. If the Test LED (STM150) or Status LED (STM300 and STM600) remains on, there
is a fault within the STM.