2.7.3 Connecting External Poe Power - Siemens SIMATIC NET RUGGEDCOM RSG920P Equipment Manual

Installing the Device
2.7.3 Connecting External PoE Power
2.
3.
2.7.3 Connecting External PoE Power
The RUGGEDCOM RSG920P supports four 10/100/1000 Mbps Power-over-Ethernet
(POE) Ports that require external power.
Note
For IEC 61850 compliance, use an IEC 61850 compliant PoE power supply with
power 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
support.industry.siemens.com/cs/ww/en/view/109478699.
To support the IEEE 802.3at specification (30 W/port output), the external power
supply must meet the following requirements:
18
Main Power Terminal Block
1
Positive Terminal
2
Negative Terminal
3
Chassis Ground Terminal
4
Figure 2.11 Terminal Block Wiring - Connecting Dual DC Power Supply Inputs
Connect the negative wire from the power source to the negative terminal on
the terminal block.
Connect the ground wire to the chassis ground terminal on the device.
Power
Supply Type
Minimum
DC 51 VDC
1
Input Range
Maximum
57 VDC
2 3 4 3 2
Isolation
Power Required
1.5 kVAC/2.2 kVDC
Equipment Manual, 10/2023, C79000-G8976-1172-09
https://
Minimum
135 W
RUGGEDCOM RSG920P