Lantronix SISPM1040-3166-L Installation Guide Rev G - Page 23

Lantronix SISPM1040-3xxx-L Install Guide LED Descriptions The LEDs on the front panel provide switch status checking and monitoring. There are three types of LEDs: System LED: Indicates if the switch is powered up correctly or not, or, indicates if there is a system alarm triggered for troubleshooting. Power LEDs (P1/P1: DC LED, P3: AC LED): Indicate if the switch is powered up correctly or not. Port Status LEDs: Indicate the current status of each port. System LEDs: LED SYS (System) P1 (DC Power 1) P2 (Dc Power 2) P3 (AC Power 1) Color Green/Red Green Green Green Function LED off: All Power Off Green Light: Switch FW Bootup is Ready Green Blinking: System Booting Red Light: Minor Alarms Red Blinking: Major Alarms: an abnormal state, such as exceeding operating temperature range, has been detected in the switch. LED off: Power 1 Off; The switch is not receiving power from DC power. Green LED on: Power 1 on; the switch is powered ON correctly. LED off: Power 2 Off; The switch is not receiving power from DC power. LED on: Power 2 on LED off: Power 3 Off; Power 3 on; the switch is not receiving power from AC power. LED on: The switch is powered ON correctly. At SISPM1040-3166-L FW v8.40.985: AC-DC Power Input model LED Alarm light initial behavior update: A - after switch power on, if initially detected only AC or DC input, the alarm LED does not turn on. B - after switch power on, if initially detected AC and DC input and System Ready, then the AC or DC drops power. Event A is with only AC or DC connected; the system LED remains green when system ready. Event B is with AC and DC both connected, and then power off AC or DC; the System LED changes from green to red. 33762 Rev. G https://www.lantronix.com/ Page 23 of 48