SonicWALL UTM Appliance LED Reference Guide
This technote is to be used as a reference guide for the different LED illuminations and alarms of SonicWALL UTM Appliances, such as the SonicWALL NSA 2400, NSA Series, and NSA E-Class series, SonicWALL PRO Series, and SonicWALL TZ Series. This technote will describe the way specific appliances interact by itself, as well as with other appliances, and how this triggers LED illuminations and alarms.
Link to SonicWALL page: SonicWALL UTM Appliance LED Reference Guide