Siemens RUGGEDCOM RST2228 - Page 22

Chapter 2
Installing the Device
RUGGEDCOM RST2228
Installation Guide
16 Connecting Low DC Power
IMPORTANT!
When connecting the device to a DC power source, make sure the source provides only positive voltage.
1. Connect the power supply terminal block to the device.
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Figure13:Assembling the Power Supply Terminal Block
1.Pluggable Terminal Block 2.Screw-Type Terminal Block
2. Connect the positive wire from the power source to the positive terminal on the terminal block.
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Figure14:DC Terminal Block Wiring
1.Pluggable Terminal Block 2.Screw-Type Terminal Block 3.Positive (+) Terminal for PS1 4.Chassis/Ground Terminal for PS1
5.Negative (-) Terminal for PS1 6.Positive (+) Terminal for PS2 7.Chassis/Ground Terminal for PS2 8.Negative (-) Terminal for
PS2
3. Connect the negative wire from the power source to the negative terminal on the terminal block.
4. For pluggable terminal blocks, install the safety cover.