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Technical specifications
8.2 Connectors and electrical data
Table 8-9
Voltage via signaling contact
Switching capacity (resistive load)
Resistor between F1-F2
Table 8-10
Device version
(power supply)
24 VDC
100 to 240 VAC
Table 8-11
PoE function within a power supply system
Method of PoE power feed
Reserved power per port
Overall power on all PoE ports
Table 8-12
Between ports P1 to P8
Between ports P9 to P16
Between port groups
P1 to P8 and P9 to P16
Between ports and ground
Between ports and 24 VDC / 230 VAC power input
Table 8-13
Pin number / wire
70
Electrical data: Signaling contact
Plug-in terminal block for connectors of the power supply and signaling contact
Power supply
1 x 4-pin
1 x 2-pin
Power over Ethernet at port P1 to P8
Electrical isolation
Pin assignment of the Ethernet ports of the SCALANCE PoE switch
Assignment for data transmis‐
1)
sion
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
24 VDC
max. 100 mA
< 8 Ω
Signaling contact
1 x 2-pin
1 x 2-pin
According to IEEE 802.3af / 802.3at (type 1) for
environment A
Alternative A
(refer to the following table for the pin assignment)
15.4 W at port,
of which the following can be used by the PD:
12.95 W
Max. 53.2 W
No
Yes
Yes
Yes
Yes
Assignment for power transfer
(PoE).
Alternative A (MDI-X)
RX+
RX-
TX+
-
-
TX-
Compact Operating Instructions, 03/2022, A5E02661178-15
V-
V-
V+
-
-
V+
SCALANCE XR-300M PoE
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