R90 ONLINE USER’S MANUAL UNINTERRUPTIBLE POWER SUPPLY (UPS)
Xtreme Power Conversion Corporation (Rev 3/7/14) Page 21
Parallel Cable Installation
The shielded and double insulated control cables must be interconnected in a ring-configuration
between UPS modules as shown in the diagram below. The parallel control board is mounted in each
UPS module. The ring-configuration ensures high-reliability of the control function.
PARALLEL CONNECTION OF UPS
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