Cisco Systems XR 12406 manual Power a

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

POWER A

4

+ GND

1

2

3

57993

1	Negative terminal port	3	Ground terminal port
2	Positive terminal port	4	Terminal port connector screws

Step 4 Verify that the source DC circuit breaker servicing the DC PDU is switched on.

	Cisco XR 12406 Router Installation Guide
OL-13831-01		3-29