Cisco Catalyst 4000 Manuale - Pagina 16

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Cisco RPS Support

Cisco RPS

DC output

Fully Redundant Power

The Cisco RPS can provide a fully redundant power source for up to two Cisco 4000 series

routers. You can use a two-to-one cable to connect up to two external devices to the four

DC output power modules on the rear panel of the Cisco RPS, as shown in Figure 1-6. The

two-to-one cable is a Y-shaped cable with two connectors at one end of the cable and one

connector at the other end. Two connectors at one end of the Y-shaped cable connect to two

DC output power modules. The other end of the cable connects to one external device.

When using two-to-one cables, the power source is fully redundant because there are two

AC input modules and two DC output power modules connected to each external device. If

any power module fails, there is a full backup.

Figure 1-6

1-16 Cisco 4000 Series Installation Guide

External devices

150W or less

Fully Redundant Configuration

AC input