Router Installation Guide

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Cisco XR 12406 Router Installation Guide

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Chapter 3 Installing the Cisco XR 12406 Router

Connecting to a DC Power Source

Step 3 Connect the source DC power leads to the three terminal ports in the DC power

connector block in the following order (Figure 3-16):

• Ground lead first (bottom port on the connector block)

• Positive lead second (middle port on the connector block)

• Negative lead last (top port on the connector block)

a. Push the lead into the connector block port.

b. Use a flat-blade screwdriver to tighten the set screw and secure the lead.

c. Repeat Step 3a and Step 3b for the remaining leads and for the second PDU

connector block.

Figure 3-16 DC PDU Power Connector Block

Step 4

Verify that the source DC circuit breaker servicing the DC PDU is switched on.

1 Negative terminal port 3 Ground terminal port

2 Positive terminal port 4 Terminal port connector screws

57993

POWER A

GND