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Cisco ASR 903 Router Hardware Installation Guide
OL-25178-04
Chapter 3 Installing the Cisco ASR 903 Router
Installing the Power Supply
Figure 3-17 DC Power Supply with Lead Wires
Step 4 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).
1 Ground lead wire 3 Positive (+) lead wire
2 Negative (–) lead wire — —
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