Watchguard Firebox SOHO 6 User Manual page 30

Chapter 1: Introduction
100
The 100 indicator is lit when a port is in use at 100 Mb. The
100 indicator is not lit when a port is in use at 10 Mb.
WAN
WAN is lit while there is an active physical connection to
the WAN port. The indicator flashes when data flows
through the port.
Mode
Mode is lit while there is a connection to the Internet.
There are six Ethernet ports, a reset button, and a power input on
the rear of the SOHO 6. The picture below shows the rear view.
OPT port
The OPT port is for the optional network interface. This
interface is activated when you purchase the Dual ISP Port
upgrade or the VPNforce™ Port upgrade. See "Configuring
the OPT Port Upgrades" on page 43 for more information
about the Dual ISP Port upgrade and the VPNforce Port
upgrade.
The OPT port is only for the Dual ISP Port upgrade or VPNforce Port
upgrade. You cannot use the OPT port as an Ethernet port on the trusted
network.
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WatchGuard Firebox SOHO 6