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Cisco 2900 and 3900 Series Hardware Installation
OL-18712-01
Chapter 3 Installing and Connecting the Router
Connecting Power
Figure 3-33 Connecting Source A and Source B with Common Positive Terminals
In Figure 3-34, 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 3-34.
Figure 3-34 Source A and Source B Wired with Opposite-Polarity Grounds
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