P
P
o
o
w
w
e
e
r
r
D
D
s
s
i
i
n
n
e
e
3
3
5
5
0
0
0
0
G
G
S
S
e
e
r
r
i
i
e
e
s
s
Copyright © 2009
Microsemi
10
Rev 1.1 27-Jul-09
Analog Mixed Signal Group
2381 Morse Avenue, Irvine, CA 92614, USA; Phone (USA): (800) 713-4113, (ROW): (949) 221-7100 Fax: (949) 756-0308
Note
Due to the standard detection process performed
on each PoE port, power will not be delivered
(LED is off) to a PD. PDs that are not of the PoE-
enabled type are not affected by this connection
Table
2-1: Power Status Indications
Indicator
Color
Main Power
Status
Remarks
Off
Internal power
supply unit is
unplugged.
Internal power supply
voltage is too low. All ports
are disconnected.
Main
Green
AC power input
active
Internal power supply
voltage is within limits.
Table
2-2:
Port
Status Indications
Port LED Color
Port Load Conditions
Port Voltage
Off
Inactive load or
unplugged port
Power to the port is disconnected.
No DC voltage present on port
output lines.
Green
Active load is plugged in
and complies with normal
load conditions
Continuous nominal DC voltage is
present
on the spare pairs
.
Green blinks
once every
second
Overload or short circuit
Power to the port is disconnected.
No DC voltage is present on port
output lines.
Green blinks
once every 0.5
second
Valid load
Total aggregated power
exceeds pre-defined
power budget (420W by
default)
Power to the port is not connected.
No DC voltage is present on port
output lines