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3. Installation
RuggedCom® RuggedBackbone™ 20 RX1512 Installation Guide Rev 105
3.2. Power Supply Wiring and Grounding
The RX1512 features a Phoenix Plug Terminal Block. Both DC power supply and fail-safe relay
connections are made on the same terminal block.
For DC power supply wiring examples, refer to Section 3.2.3, “DC Power Supply Wiring Example ”.
For fail-safe relay wiring, refer to DC power supply wiring examples, refer to Section 3.3, “Critical
Alarm Wiring”.
The RX1512 has one (1) power supply installed. Service personnel must isolate all
power supplies prior to servicing.
3.2.1. RX1512 DC Power Connectors
Figure 3.7. RX1512 DC Power Connectors
3.2.2. Chassis Ground Connection
The RX1512 chassis ground connection, shown in Figure 3.8, “Chassis Ground Connection”, uses
a #10-32 screw. It is recommended to terminate the ground connection in a #10 ring lug. Torque
on the chassis ground connection should not exceed 30 in-lbs (3.4 Nm).
Figure 3.8. Chassis Ground Connection