Getting Started
Feature Overview
Cisco SA500 Series Security Appliances Administration Guide 12
1
• LINK/ACT LED—(Green) When lit, indicates that a connection is being
made through the port. When flashing, the port is active.
• WLAN LED—(Green) When lit, indicates that wireless is enabled
(SA520W).
Rear Panel
• POWER Switch—Turns the security appliance on or off.
• POWER Connector—Connects the security appliance to power using the
supplied power cable.
• LAN Ports—Connect computers and other network appliances to the
security appliance. The SA520 and SA520W have 4 LAN ports. The SA540
has 8.
• OPTIONAL Port—Can be configured to operate as a WAN, LAN, or DMZ
port. A DMZ (Demilitarized Zone or Demarcation Zone) can be configured to
allow public access to services such as web servers without exposing your
LAN.
• WAN Port—Connects the security appliance to DSL, a cable modem, or
another WAN connectivity device.
• USB Port—Connects the security appliance to a USB device. You can use a
USB device to store configuration files for backup and restore operations.
NOTE The back panel of the SA520W includes three threaded connectors for the
antennas.
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