LEDs Diagon the USB extension

LEDs diagnosis for CX2550-0179

The following table shows the states for the LEDs of the CX2550-0179 (USB 1.1):

Display	LED	Meaning
	PWR	Power supply The Power LED lights if the device is connected to a live power supply unit (green).
	SPD	Speed The LED lights green if an USB device with full speed ( 1,5 MBit/s) is connected. The LED lights yellow if an USB device low low speed ( 12 MBit/s) is connected. The LED doesn`t light if the no device is connected.
	15 V	The LED lights (green) if 15 V is supplied to USB extension.
	SUS	Suspend The LED doesn´t light if the USB extension is operational. The LED lights (red),if the USB extension is in suspend mode resp. no device connected.

LEDs diagnosis for CX2550-0279

The following table shows the states for the LEDs of the CX2550-0279 (USB 2.0):

Display	LED	Meaning
	PWR	Power supply The Power LED lights if the device is connected to a live power supply unit (green).
	HST	Host The LED lights green if an USB host device is detected. The LED doesn`t light if the no device is connected.
	ACT	Activity The LED blinks (orange) if there is USB communication via the USB-E extension. The LED doesn`t light if there is no communication.
	LNK	Link The LED doesn´t light if the USB extension is not operational. The LED lights (green) if the USB extension is connected and running0.