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xStack
®
DGS-3120 Series Layer 3 Managed Gigabit Switch Hardware Installation Guide
37
Class
Usage
Max power used by PD
0
Default
12.95W
1
Optional
3.84W
2
Optional
6.49W
3
Optional
12.95W
4
Reserved
12.95W
•
For 802.3at capable devices, provide power allocation of 0.1 watt granularity using
LLDP method.
Class
Usage
Minimum power levels of output of PSE
0
Default
15.4W
1
Optional
4.0W
2
Optional
7.0W
3
Optional
15.4W
4
Reserved
31W
Class
Usage
Max power received by PD
0
Default
13.0W
1
Optional
3.84W
2
Optional
6.49W
3
Optional
13.0W
4
Reserved
25.5W
•
Follow the PSE pin out standard of Alternative A, sending out power over pins 1, 2,
3, 6 and 8 of CAT3~6A UTP cables for 802.3af devices; or CAT5e~6A UTP cables
for 802.3at devices.
•
The DGS-3120-24PC and DGS-3120-48PC works with all D-Link 802.3af and
802.3at capable devices They also works with all non-802.3af and non-802.3at
capable D-Link Access Points, IP Cameras and IP phones using the DWL-P50 PoE
adapter.