Dell SonicWALL SRA 4200/1200 Getting Started Guide 11SRA 4200/1200 Deployment ScenariosInstalling the SRA Appliance1. Plug one end of the power cord into theDell SonicWALL SRA 1200/4200 and the other into anappropriate power outlet.2. Turn on the power switch located on the rear of theappliance next to the power cord.The 'PWR' LED on the front panel lights up blue when theappliance is turned on. The 'TEST' LED lights up yellowand may blink for up to a minute while the applianceperforms a series of diagnostic tests. When the 'TEST' LEDis no longer lit, the Dell SonicWALL SRA 1200/4200 isready for configuration.If the 'TEST' or 'ALARM' LEDs remain lit, or if the 'TEST'LED blinks red after the Dell SonicWALL SRA 1200/4200has booted, restart the appliance. For more troubleshootinginformation, refer to the Dell SonicWALL SRAAdministrator’s Guide.3. Connect one end of an Ethernet cable into the ‘X0’ port ofyour Dell SonicWALL SRA 1200/4200. Connect the otherend of the cable into the computer you are using tomanage the Dell SonicWALL SRA 1200/4200.GatewayDeviceDeploymentScenarioConditions orRequirementsSonicOS Enhanced3.1 or higher:• TZ Series• PRO Series• NSA E-Class(SonicOS 5.0+)• NSA Series(SonicOS 5.0+)SRA on New DMZ • OPT or unused interface• New DMZ configured for NATor Transparent ModeSRA on ExistingDMZ• No unused interfaces• One dedicated interface in useas an existing DMZSRA on LAN • No unused interfaces• No dedicated interface for aDMZSonicOS Standard3.1 or higher:• TZ Series• PRO SeriesSRA on a New DMZ • Open OPT or X2 interface• New DMZ configured for eitherNAT or Transparent Mode• Provide Dell SonicWALL deeppacket inspection securityservices (optional)SRA on ExistingDMZ• OPT or X2 interface in use withan existing DMZ• Provide Dell SonicWALL deeppacket inspection securityservices (optional)SonicOS Standard3.1 or higher:• TZ Series• PRO SeriesDell SonicWALLswith legacy firmwareThird-Party GatewayDeviceSRA on the LAN • Not planning to use DellSonicWALL deep packetinspection security services• Interoperability with a third-party gateway devicePWR TEST ALARM