Reconnecting Dc-Input Power Supply Unit - Cisco SCE 2000 4xGBE Installation And Configuration Manual
Cisco systems sce 2000 platform installation and configuration guide
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- Installation and configuration manual (152 pages) ,
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Chapter 4
Installation and Maintenance
Reconnecting DC-Input Power Supply Unit
The following procedures explain how to reconnect a DC-input power to the SCE 2000 platform.
Warning
Before completing any of the following steps, and to prevent short-circuit or shock hazards, ensure that
power is removed from the DC circuit. To ensure that all power to the power supply unit is OFF, locate
the circuit breaker on the panel board that services the DC circuit, switch the circuit breaker to the OFF
position, and tape the switch handle of the circuit breaker in the OFF position.
Note that the power to the relevant power supply unit should be off, not necessarily all power to the
SCE 2000 platform. One DC-input power supply can be running when the other power supply is being
removed or replaced.
Warning
Wiring should be done by a professional in accordance with state and local electrical codes.
To reconnect the DC-input power to the SCE 2000 platform, complete the following steps:
Step 1
Ensure that the DC power line input leads are disconnected from the power source.
Using the number 2 Phillips screwdriver, remove the protective plate from the terminal block.
Step 2
Insert one receptacle screw into the hex or loop connector on one power line input, insert the
Step 3
screw with the connector into the corresponding lead receptacle and tighten the receptacle screw
using the number 2 Phillips . Repeat for the remaining power line input lead.
Figure 4-15: Connecting the DC Power
The color coding of the DC-input power supply leads depends on the color coding of the DC power
Note
source at your site. Make certain the lead color coding you choose for the DC-input power supply
matches lead color coding used at the DC power source.
OL-7824-04
Removing and Replacing a Power Supply Unit
Cisco SCE 2000 4xGBE Installation and Configuration Guide
4-19
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