Cisco Systems DC Power Systems on the Cisco CRS-1 4-Slot Router, AC Power Enable Switches

Chapter 2 Installing and Removing Power Components

DC Power Systems on the Cisco CRS-1 4-Slot Router

Figure 2-2 AC Power Enable Switches

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For an illustration of the DC power enable switches, see Figure 2-14 on page 2-19.

Note All power cords must be unplugged from wall power to fully remove power from the chassis.

DC Power Systems on the Cisco CRS-1 4-Slot Router

The Cisco CRS-1 4-slot line card chassis DC power shelf consists of two major components, as shown in Figure 2-3:

•DC power input shelf (Cisco product number: CRS-4-DC-INPUT)

Figure 2-3shows the power supplies installed in the DC power input shelf.

•DC power input module (PIM) (Cisco product number: CRS-4-DC-PIM)

Cisco CRS-1 Carrier Routing System 4-Slot Line Card Chassis Installation Guide

OL-10971-07 2-5