Maintenance 85
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Set the card for the middle UPS(s) to Pins 2 and 3.
4. Install the Parallel UPS Card into an open X-Slot on the rear of the UPS.
5. Repeat steps 1 through 4 to install a Parallel UPS Card into each UPS to be paralleled.
The HP 3 Phase UPS parallel system automatically assigns identities to each UPS in the system based on
the order in which their Parallel UPS Cards are wired. For more information, see "Auto-identification (on
page 78)" .
6. Verify that all the terminal blocks and jumpers are installed in each UPS.
7. Using the supplied CAT 5 cables, install the Parallel UPS Card wiring between each UPS, connecting
the card OUT port on one UPS to the card IN port on the next UPS.
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