Installing DC Power Entry Modules
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39
Status LED
The status LED indicates the condition of the PEM.
Removing a DC PEM
The left chassis PEM slot is labelled “0” and the right chassis PEM slot is labelled “1.” For full
redundancy, each PEM must be attached to a dedicated circuit breaker. For example, PEM “0” connects
to circuit breaker “0” and PEM “1” connects to circuit breaker “1.”
WARNING:
Prevent exposure and contact with hazardous voltages. Do not attempt to operate this system
with the safety cover removed.
Table 8-3. Status LED Descriptions
LED Display
Meaning
Description
Off
Off
No input voltage is present, or the circuit is turned
off.
Flashing Green
Over-Current Warning
The load current is above the warning level
threshold. This warning takes precedence over the
temperature warning.
Flashing Green
Over-Temperature Warning
The temperature is above the temperature warning
threshold.
Solid Green
On
The PEM is running normally.
Step
Task
1
Switch the Over Current Protector (located on the PEM front panel) to the
OFF
position.
2
Turn off the PEM. Ensure that the remote source is in the
OFF
position and that the PEM
Status
LED and
Pwr In
OK
LED are off.
3
Loosen the retaining screw and remove PEM safety cover (see
Figure 8-1
).
4
Disconnect cables attached to the PEM.
5
Slide the PEM out of the slot.
6
If you are not replacing the PEM, close the empty slot with a blank panels.
Содержание C300
Страница 1: ...Installing and Maintaining the C7008 C300 System ...
Страница 6: ...6 Contents w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 10: ...10 About this Guide w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 16: ...16 Preparing the Site w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 24: ...24 Installing RPMs and Line Cards w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 28: ...28 RPM Cables w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 40: ...40 Installing DC Power Entry Modules w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 44: ...44 Powering Up w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 50: ...50 Removing and Replacing Components w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 54: ...54 Installing the Chassis w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 58: ...58 System Boot w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 70: ...70 System Specifications w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 74: ...74 Contacting Technical Support w w w d e l l c o m s u p p o r t d e l l c o m ...
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Страница 76: ...w w w d ell com support dell com Printed in the U S A ...