Cisco CE 2000 Platform SCE 2000 4xGBE Посібник із швидкого старту - Сторінка 11
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Друкувати сторінкуWhen installing the unit, the chassis ground connection must always be made first and disconnected last.
Step 1
Attach the grounding cable (green and yellow cable) to the chassis grounding connector located on the rear panel of the
SCE 2000, firmly fastening the (enclosed) hex nuts and spring washers with a #¼" hex wrench (refer to the appropriate
figure above for an AC- or DC-powered SCE 2000 platform).
The other side of the grounding cable must be connected to the site equivalent of the AC earth.
Connecting Power
Connecting DC-Input Power Supply Unit
Figure 12
Connecting the DC Power
BY PA SS
2
BY PA SS
1
IN
PO W ER B
OK
IN
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.
Warning
Wiring should be done by a professional in accordance with state and local electrical codes.
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
PO W ER A
OK
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