RUGGEDCOM RX1512
Installation Guide
Chapter 2
Installing the Device
Connecting Low DC Power 11
Figure6:DC Terminal Block Wiring for Negative VDC Power Supplies
1.Surge Ground Terminal 2.Positive (+) Terminal 3.Chassis Ground Terminal 4.Negative (-) Terminal 5.Jumper 6.Chassis
Ground Connection
2. Connect the positive wire from the power source to the positive (+) terminal on the terminal block.
3. Connect the negative wire from the power source to the negative (-) terminal on the terminal block.
4. Install a jumper between the surge ground terminal and chassis ground terminal. The surge ground terminal
is used as the ground conductor for all surge and transient suppression circuitry internal to the unit.
5. Using a #10 ring lug and #10-32 screw, secure a ground wire (or bond point) to the chassis ground
connection on the device. Make sure the lug is tightened to 1.1 N·m (9.5 lbf·in).
Figure7:Chassis Ground Connection
1.#10 Ring Lug 2.#10-32 Screw 3.Connection from External Power Source 4.Chassis Ground Connection
6. Install the safety cover over the terminal block. This is mandatory for 48 VDC and -48 VDC power supplies.
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