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Cisco ASR 903 Router Hardware Installation Guide
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Chapter3 Installing the Cisco ASR 903 Router
Installing the Power Supply
Figure3-19 DC Power Supply with Lead Wires
Step4 Insert the exposed wire of one of the three DC-input power source wires into the terminal block plug.
Make sure that you cannot see any wire lead. Only wire with insulation should extend from the terminal
block.
Caution Do not overtorque the plug captive screws of the terminal block. The recommended maximum
torque is from 4.425 in.-lb (.5 N-m) to 5.310 in-lb (.6 N-m).
1Ground lead wire 3Positive (+) lead wire
2Negative (–) lead wire
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