Cisco CISCO3725 Guía de instalación descargar pdf (Pagina 17)

17

Figure 12 Connecting Source A and Source B with Common Positive Terminals

In Figure 13, source A and source B are wired with opposite polarity grounds. Do not use this configuration.

Caution Do not use the DC input configuration shown in Figure 13.

Figure 13 Source A and Source B Wired with Opposite-Polarity Grounds

Connecting Routers to the Cisco Redundant Power System

If your router uses the Cisco Redundant Power System (RPS), see the Cisco RPS Hardware Installation Guide for instructions

about the power connections. To locate these documents, see the “Where to Go Next” section on page 25.

A-

A+

B+

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Va

Vb

+

+

127040

A-

A+

B+

B-

Va

Vb

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A-

Va voltage = Vb voltage (within 0.25 V)

Va voltage = Vb voltage (greater than 0.25 V)

A+

B+

B-

Va

Vb

+

+

A-

127041

A+

B+

B-

Va

Vb

+

+

A-

A+

B+

B-

Va

Vb

+

+

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