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Auxiliary Dry Contact Cables
The external output breaker of each UPS must have Normally Open auxiliary contacts. These contacts must be wired to connector X3 on the Parallel Logic Board (M3). See Figure 18.
Figure 18 Auxiliary dry contact cables for output breaker in multi-module system
2 X2 P2
1 X2 P1
T INA M T :X
X3
DBS
485- 
485+
! CAUTION
The auxiliary control wire must be installed to ensure proper operation of the system.
NOTE
For startup procedure, 11.2 - UPS Startup.
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