Cisco Cisco ISA550 Integrated Security Appliance Quick Setup Guide

You can place your security appliance on a desktop, mount it on a wall, or 
mount it in a rack.

• Ambient Temperature: To prevent the security appliance from 

overheating, do not operate it in an area that exceeds an ambient 
temperature of 104°F (40°C).

• Air  Flow: Be sure that there is adequate air flow around the security 

appliance.

Threaded connectors for the antennas (for ISA550W and 
ISA570W only). 

Connects the unit to a USB device. You can use a USB 
device to save and restore system configuration, or to 
upgrade the firmware.

Can be set to operate as WAN, LAN, or DMZ ports. The 
ISA550 and ISA550W have 4 configurable ports. The 
ISA570 and ISA570W have 5 configurable ports.

Only one configurable port can be configured as a 

WAN port at a time. Up to 4 configurable ports can be 
configured as DMZ ports. 

Connects PCs and other network appliances to the unit.The 
ISA550 and ISA550W have 2 dedicated LAN ports. The 
ISA570 and ISA570W have 4 dedicated LAN ports.

Connects the unit to a DSL or cable modem, or other WAN 
connectivity device. 

To reboot the unit, push and release the RESET button for 
less than 3 seconds. 

To restore the unit to its factory default settings, push and 
hold the RESET button for a minimum of 3 seconds while 
the unit is powered on. The POWER/SYS light will flash 
green when the system is rebooting. 

Powers the unit on or off.

Connects the unit to power using the supplied power cord 
and adapter.