9.1.3 LED displays of the Ethernet interfaceThe Ethernet ports are equipped with LEDs to display Link and Activity.Table 9-3 State of the Link and Activity LEDsLED State MeaningLINK (upper LED) OFF No or faulty connectionLights up green Transfer rate 10 or 100 Mbit/s:A different device is connected to port x and a physical connectionexistsLights up yellow Transfer rate 1,000 Mbit/s:A different device is connected to port x and a physical connectionexistsACT (lower LED) OFF No data exchangeFlickers yellow Data exchange:Data is being received or sent at port x9.1.4 LED displays of the CX32-2 controller extensionThe different states that occur during power-up are indicated by the LEDs on the CX32-2controller extension.● The duration of the individual states varies.● If an error occurs, the power-up is terminated and the cause is indicated accordingly viathe LEDs.● At the end of an error-free power-up, all LEDs are switched off briefly.● After power-up, the LEDs are controlled via the loaded software.Table 9-4 Load softwareLED State CommentRDY DPYellow Yellow Reset Hardware resetAll other LEDs light up yellowRed Red BIOS loaded -Red 2 Hz Red BIOS error Error occurred while loading the BIOSRed 2 Hz Red 2 Hz File error ● D4x5‑2 CompactFlash card not available or faulty● Software on D4x5‑2 CompactFlash card notavailable or faultyRed Yellow (flash‐ing)FW loading RDY LED lights up red, DP LED flashes yellow withoutfixed frequencyRed Off FW loaded -Diagnostics9.1 Diagnostics via LED displaysSIMOTION D4x5-2Commissioning and Hardware Installation Manual, 03/2018, A5E33441636B 393