Figure 84. Assembling the DC Input Power Wires
1. DC wire RTN 2. DC power connector
3. captive screw (2) 4. rubber cap
5. DC power socket 6. DC wire –48 V
Figure 85. Removing the DC Input Power Wires
1. wire RTN 2. DC power connector
3. captive screw (2) 4. rubber cap
5. DC power socket 6. wire –48 V
Removing a DC power supply unit
Prerequisites
NOTE: For equipment using –(48–60) V DC power supply units (PSUs), a qualified electrician must perform all connections
to DC power and to safety grounds. Do not attempt connecting to DC power or installing grounds yourself. All electrical
wiring must comply with applicable local or national codes and practices. Damage due to servicing that is not authorized by
Dell is not covered by your warranty. Read and follow all safety instructions that came with the product.
Installing and removing system components 149
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