Cisco 1900 Series Hardware Installation
OL-19084-02
Chapter 4 Installing and Connecting the Router
Connecting Power
Figure 4-14 DC Power Wire Connection
Warning
This unit might have more than one power supply connection. All connections must be removed to
de-energize the unit.
Statement 1028
Warning
The illustration shows the DC power supply terminal block. Wire the DC power supply as illustrated.
The proper wiring sequence is ground to ground, positive to positive, and negative to negative. The
ground wire should always be connected first and disconnected last.
Statement 239
Warning
An exposed wire lead from a DC-input power source can conduct harmful levels of electricity. Be sure
that no exposed portion of the DC-input power source wire extends from the terminal block plug.
Statement 122
Caution Dual sources with opposite-polarity grounding damage equipment.
Step 5 Reinstall the plastic safety cover over the terminal. See Figure 4-15 and Figure 4-16.
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