Power Sourcing Equipment (Pse); Powered Device - Silicon Laboratories Si3460 User Manual

Si3460-EVB
POWER SOURCING
EQUIPMENT (PSE)
48 V
Figure 1. Power Carried Over the Spare Pair (10/100BASE-T Applications Only)
Note: This is the connection scheme implemented on the Si3460-EVB reference design.
POWER SOURCING
EQUIPMENT (PSE)
48 V
2
4
5
SPARE PAIR
1
+
TX
2
SIGNAL PAIR
3
_
RX
6
SIGNAL PAIR
7
8
SPARE PAIR
4
5
SPARE PAIR
1
±
TX
2
SIGNAL PAIR
3
±
RX
6
SIGNAL PAIR
7
8
SPARE PAIR
Figure 2. Power Carried Over the Signal (Data) Pair

POWERED DEVICE

4
5
1
RX
2
3
TX
6
7
8
POWERED DEVICE
4
5
1
RX
2
3
TX
6
7
8
Rev. 1.2
(PD)
PD I/F
and
DC-DC
Converter
(PD)
DC-DC
Converter
and
PD I/F