Cisco ASR 902 Installation Manual page 22

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Installing a DC Power Supply

the wire. Stripping more than the recommended amount of wire can leave behind exposed wire from the terminal block

plug after installation.

Step 3

Identify the ground, positive, and negative feed positions pertaining to the terminal block connection. The recommended

wiring sequence is (the figure below):

• Ground lead wire (left)

• Negative (-) lead wire (middle)

• Positive (+) lead wire (right)

Figure 17: DC Power Supply with Lead Wires

Label

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 wires with insulation should extend from the terminal block.

Do not overtorque the plug-captive screws of the terminal block. The recommended maximum torque is from

Caution

4.425 in.-lb (.5 N-m) to 5.310 in-lb (.6 N-m).

Cisco ASR 902 and ASR 902U Aggregation Services Router Hardware Installation Guide

Component

Ground lead wire

Negative (–) lead wire

Installing the Cisco ASR 902 Router

Label

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Component

Positive (+) lead wire

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