Recommended Power-Off Procedures; Emergency Power-Off Procedures; Power Entry Module (Pem) - Emerson AXP1620 Installation And Use Manual

AXP1620 Operations
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Recommended Power-Off Procedures

Procedure
Follow these steps to shut down your AXP1620.
1. Shut down all software operations and the operating system. For shelves with
independently running segments, each segment must be shut down.
2. Turn each circuit breaker on the front of PEM A and PEM B to the OFF position.
Step 2 removes the input power from the slots in the AXP1620 shelf only. It does not
remove power to the PEMs. To remove power to these components, refer to the next
step.
3. Disable the DC power at each of the external sources (branch circuit or power
distribution unit) for both PEM A and PEM B.
4. This completely removes power from the shelf and its subassemblies.

Emergency Power-Off Procedures

Procedure
Read this caution and follow the next steps if it is necessary to remove power during an
emergency situation.
Following this procedure will result in a loss of data and may cause damage to chassis
components in a running platform. Use this method only when normal shutdown
procedures cannot be followed.
1. Turn each circuit breaker on the front of PEM A and PEM B to the OFF position.
2. Disable the DC power at the external sources (branch circuit or power distribution
unit) for PEM A and PEM B).

Power Entry Module (PEM)

This section discusses the operations of the Power Entry Module for the AXP1620
configurations.
Recommended Power-Off Procedures
AXP1620 Installation and Use (6806800E23E)