Siemens SIMATIC NET RUGGEDCOM RST2228P Installation Manual page 30

Note
For IEC 61850 compliance, use an IEC 61850 compliant PoE power supply with pow-
er cabling no longer than 3 m (118 in).
Otherwise, Siemens recommends using the RUGGEDCOM RPS1300 switch-mode AC
power supply. For more information about this power supply, refer to
port.industry.siemens.com/cs/ww/en/view/109478699.
To support the IEEE 802.3at specification (60 W/port output), the external power
supply must meet the following requirements:
a
Based on a single 4-port module.
To support the IEEE 802.3af specification (15 W/port output), the external power
supply must meet the following requirements:
a
Based on a single 4-port module.
To connect an external power supply for the PoE ports, do the following:
1.
2.
3.
RUGGEDCOM RST2228P
Installation Manual, 12/2019, C79000-G8976-1403-05
Power Sup-
ply Type
Minimum
DC 51 VDC
Power Sup-
ply Type
Minimum
DC 45 VDC
Secure a European-style terminal block (or Euroblock) to the terminal.
1
3 4
Pluggable Terminal Block
1
Screw-Type Terminal Block
2
Positive (+) Terminal for PoE
3
Negative (-) Terminal for PoE
4
Figure 2.14 Terminal Block Wiring
Connect the positive wire from the RUGGEDCOM RPS1300 (or another external
power supply) to the positive (+) terminal on the terminal block.
Connect the negative wire from the RUGGEDCOM RPS1300 (or another external
power supply) to the negative (-) terminal on the terminal block.
2.5.3 Connecting External PoE Power
Input Range
Maximum
57 VDC
Input Range
Maximum
57 VDC
2
Installing the Device
https://sup-
Isolation Minimum Pow-
er Required
1.5 kVAC/2.2 kVDC
Isolation Minimum Pow-
er Required
1.5 kVAC/2.2 kVDC
3
4
a
150 W
a
72 W
21