HP 3500yl, 5200zl manual Led

Modules	On (green)	A module is installed in the switch module slot corresponding to the
A, B, C, D, E, F,		letter and the module is undergoing or has passed self-test. This also
G, H, I, J, K, L		occurs when you install a module when the switch is already
		powered on (“hot swap”).
	Off	A module is not installed in the switch module slot corresponding
		to the letter.
	Blinking	The module status LED flashes very briefly when a module is being
	(orange)	hot swapped. If the LED flashes for a prolonged time, the module in
		the slot corresponding to the letter has failed self-test or
		encountered some other fault condition.
Modules in PoE	On (green)	PoE is normal for this slot.
Mode
	Off	The module in this slot is not a PoE module.
	Blinking	If any port has an internal hardware failure, blinks once every 1.6
	(orange)	seconds. If any port is denied PoE power or detecting an external
		PD fault, blinks once every 0.5 seconds.
LED	State	Indication
LED Mode Select	Act (green)	Flickers to show relative activity.
	FDx (green)	Flickers to show relative activity.
	PoE (green)	Indicates which ports are supplying power:
		• If the Mode LED is on, the port is providing PoE power.
		• If the Mode LED is off, the port is not providing PoE power.
		• If the Link LED is on, the port is enabled for PoE.
		• If the Link LED is off, the port is disabled for PoE.
		• If the Link LED is blinking, the port has an error or the port is
		denied power due to insufficient power.
	Spd (green)	Indicates speed of operation of each port:
		• If the Port LED is off, the port is operating at 10 Mbps.
		• If the Port LED is blinking, the port is operating at 100 Mbps.
		• If the Port LED is on continuously, the port is operating at
		1000 Mbps.
	Usr (green)	Reserved for future development.

Table 10. LED status indicators for HP ProCurve Switch 5400zl series—management module

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