Introduction
32
ProSecure Unified Threat Management (UTM) Appliance
LED Descriptions, UTM9S, UTM25S, and their Network
Modules
The following table describes the function of each LED on the UTM9S and UTM25S and their
network modules.
Table 3. LED descriptions UTM9S and UTM25S
LED Activity Description
Power LED On (green) Power is supplied to the UTM.
Off Power is not supplied to the UTM.
Test LED On (amber) during
startup
Test mode. The UTM is initializing. After approximately 2 minutes, when the
UTM has completed its initialization, the Test LED goes off.
On (amber) during
any other time
The initialization has failed, or a hardware failure has occurred.
Blinking (amber) The UTM is writing to flash memory (during upgrading or resetting to
defaults).
Off The UTM has booted successfully.
USB LED On (green) A USB device is connected to the USB port.
Off A USB device is not connected to the USB port.
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.
Blinking (green) Data is 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.
DMZ LED Off Port 4 is operating as a normal LAN port.
On (green) Port 4 is operating as a dedicated hardware DMZ port.
WAN ports
Left LED Off The WAN port has no physical link, that is, no Ethernet cable is plugged into
the UTM.
On (green) The WAN port has a valid connection with a device that provides an Internet
connection.
Blinking (green) Data is transmitted or received by the WAN port.