D-Link DES-3528 Series Hardware Installation Manual page 41

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xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide
PoE Specification
1. Compliant with 802.3af PoE standard. And the high power ports (1~8) can support
PoE up to 30W.
2. Auto discovery feature, automatically recognize the connection of PD device and
immediately sends power to it
3. Auto disable port if the port current is over 350mA for 802.3af mode while other
ports remain active
4. Active circuit protection, automatically disables the port if there is a short while
other ports remain active
5. PD should be able to receive the power following the classification below
Class Usage
0 Default
1 Optional
2 Optional
3 Optional
4 Reserved
6. PSE should be provide the power following the classification below
Class Usage
0 Default
1 Optional
2 Optional
3 Optional
4 Reserved
7. DES-3528P/52P follow the standard PSE pin-out standard of Alternative A which
is sending out power over number 1,2,3,6 pins of 8 wires of CAT5 UTP cable
Pin Signal
1 Receive+ & Power-
2 Receive- & Power-
3 Transmit+ & Power+
4
5
6 Transmit- & Power+
7
8
8. All the PoE ports can work with all D-Link 802.3af capable devices
9. All the PoE ports can work with all non-802.3af capable D-Link AP, IP Cam and IP
phone via DWL-P50
Max power used by PD
0.44 to 12.95W
0.44 to 3.84W
3.84 to 6.49W
6.49 to 12.95W
12.95W to 30W
Max power used by PD
15.4W
4.0W
7.0W
15.4W
15.4W ~ 30W
Description
Negative Vport
Negative Vport
Positive Vport
Positive Vport
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