Connecting Low Dc Power - Siemens RUGGEDCOM RSG920P Installation Manual

Chapter 2
Installing the Device
CAUTION!
Electrical hazard – risk of damage to equipment. Do not connect AC power cables to terminals for DC
power. Damage to the power supply may occur.
1. Secure a European-style terminal block (or Euroblock) to the terminal.
2. Connect the live/positive wire from the power source to the live/positive (L/+) terminal on the terminal block.
Figure 10: Terminal Block Wiring
1. Main Power Terminal Block 2. Neutral/Negative (N/-) Terminal 3. Chassis Ground Terminal 4. Live/Positive (L/+) Terminal
3. Connect the neutral/negative wire from the power source to the neutral/negative (N/-) terminal on the
terminal block.
4. Connect the ground wire to the chassis ground terminal on the device.
Section 2.8.2

Connecting Low DC Power

To connect a single or dual power sources to the low DC power supply, do the following:
IMPORTANT!
When connecting two external power sources, if the first external power source has a voltage lower
than 33 VDC, the second power source must have a voltage lower than 33 VDC as well. Similarly, if the
first power source has a voltage higher than 36 VDC, the second power source must have a voltage
higher than 36 VDC.
1. Connect the positive wire from the power source to the positive terminal on the terminal block.
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RUGGEDCOM RSG920P
Installation Guide
4
Connecting Low DC Power