Siemens RUGGEDCOM RS900GP, Installation Manual

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Chapter 2
Installing the Device
RUGGEDCOM RS900GP
Installation Guide
12 Connecting Power
Section 2.7
Connecting Power
The RUGGEDCOM RS900GP features an integrated low DC power supply that accepts input from redudant
power sources. Requirements for the power source(s) is dependent on the IEEE 802.3 standard required by the
application:
Input Range
Standard
Watts/
Port Output
Power
Supply Type
Minimum Maximum
Isolation
Minimum
Power Required
IEEE 802.3at 30 DC 51 VDC 57 VDC 1.5 VAC/2.2 kVDC 255 W
IEEE 802.3af 15 DC 45 VDC 57 VDC 1.5 VAC/2.2 kVDC 135 W
NOTE
Power sources can be connected to either power supply terminal block on the device.
IMPORTANT!
• Use minimum #16 gage copper wiring when connecting terminal blocks.
• Equipment must be installed according to applicable local wiring codes and standards.
To connect a power source to the low DC power supply, do the following:
1. Secure a European-style terminal block (or Euroblock) to one of the available terminals.
2. Connect the positive wire from the power source to the positive terminal on the terminal block.
1 2 3
Figure 8: Terminal Block Wiring – Single DC Power Supply Inputs
1. Positive Terminal 2. Negative Terminal 3. Chassis Ground Terminal
3. Connect the negative wire from the power source to the negative terminal on the terminal block.