Cisco Systems XR 12406 manual DC Power Distribution Unit

Chapter 1 Cisco XR 12406 Router Overview

Line Cards

Figure 1-8 DC Power Distribution Unit

1

POWER B

+ GND

3

4

5

6

2

POWER A

+ GND

57992

1	Captive screw	4	DC power distribution unit
2	DC power connector block A	5	Guide pin
3	DC power connector block B	6	Blower module connector

DC-input power is connected through the DC PDU on the chassis rear panel. The DC PDU is equipped with two DC power connector blocks. Each DC power connector block is equipped with three terminal ports. Leads from the DC source power should be connected to the terminal block. A negative lead is connected to the top port, a positive lead to the middle port, and a ground lead to the bottom port.

	Cisco XR 12406 Router Installation Guide
OL-13831-01		1-21