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NMPD01 Series
Power Over Ethernet PD Module
TYPICAL CONFIGURATIONS
Figure 1 - IEEE802.3af Power Con?gurations
Signal lines carry both data and power.
Polarity of power is not important ... for both
Figure 2 - IEEE802.3af Power Con?gurations
Spare pairs carry power, data lines carry data only.
Figure 3 - Typical non-powered coupling between CAT5 and Physical Layer Interface (PHY)
4 SP1+
5 SP1-
6 RX-
RX-
1:1
RD-
3 RX+
RXCT
RCT
Physical
Layer
Interface
2 TX-
RJ45
RX+
RD+
1 TX+
7 SP2+
8 SP2-
TX-
TXCT
TX+
1:1
TD-
TCT
TD+
Figure 4 - Typical power coupling usin g the NMPD01
P1
NMPD01
4 SP1+
1
2
SP1
SP2
+DC/DC
P3, 1-4
TXCT
P3, 5-8
5 SP1-
RXCT
P2
6 RX-
3
RX-
1:1
5
RD-
3 RX+
RJ45
4
RXCT
6
RDCT
Physical
Layer
Interface
2 TX-
5
RX+
3
RD+
1 TX+
7 SP2+
8 SP2-
6
TX-
8
TXCT
7
1:1
4
TD-
2
TDCT
1
www.murata-ps.com
TX+
TD+
Technical enquiries email: mk@murata-ps.com, tel: +44 (0)1908 615232
KII_NMPD01.E01 Page 4 of 5
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