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Chapter 11 Troubleshooting
8. The UPS including EBMs has been installed into the rack with gaps:
This will put strain on the EBM power cables shown below:
Leaving gaps between the UPS modules does put a lot of strain onto the connectors of
the power cables. Above of the power cable connector on the UPS power module –
highlighted in red in the above left image – there is a vertical PCB board on which the
RPO connector, the serial RS-232 DB-9 connector and the battery detection connector
is located. See image on the next page.
6U Rack or Tower UPS RT8kVA and RT11kVA IUOMG
175
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