Cisco 3900 series

3-29
Cisco 2900 and 3900 Series Hardware Installation
OL-18712-01
Chapter 3 Installing and Connecting the Router
Connecting Power
In Figure 3-29, either the positive source terminal or the negative source terminal is tied to ground.
Figure 3-29 Connecting to One Source Only—Source A or Source B
In Figure 3-30, source A and source B share common negative terminal connections.
Figure 3-30 Connecting Source A and Source B with Common Negative Terminals
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