Cisco 600W Installation Guide download pdf (Page 13)

Overview of the Cisco RPS 1-5

Fully Redundant Configuration

Fully Redundant Conﬁguration

The Cisco RPS can provide a fully redundant power source for two pieces of equipment.

You can use a two-to-one cable to connect two external devices to the four DC output power

modules, as shown in Figure 1-4. The two-to-one cable is a Y-shaped cable with two

connectors at one end and one connector at the other end.

In this conﬁguration, the connectors at one end of the Y-shaped cable connect two

Cisco RPS DC output power modules to one external device. 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 1-4 Fully Redundant Conﬁguration

FastHub 100 series, FastHub 200 series, FastHub 300 series,

Catalyst 1900 series and Catalyst 2820 series switches,

Catalyst 2900 series XL switches,

Cisco 2500, 2600, 3600, and 4000 series routers,

Cisco MC3810 multiservice concentrators

DC output

AC input

Cisco RPS

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Cisco 600W Installation Guide Page 13