Parallel Communication
64 Eaton 9355 UPS (20/30kVA) Installation and Operation Manual 164201626—Rev F www.eaton.com/powerquality
4. Set the jumper pins on the Powerware Hot Sync CAN Bridge Card according to the parallel configuration
(see Figure 49):
l
If only two UPSs are paralleled, then set both cards to Pins 1 and 2.
l
For three or four paralleled UPSs, set the cards of the first and last UPSs to Pins 1 and 2; set the cards for
the middle UPSs to Pins 2 and 3.
Figure 49. Setting the CAN Bridge Card Jumper J7 (Side View)
5. Install the CAN Bridge Card into X-Slot 2 (see Figure 36 and Figure 51).
6. Strip shielded, four-wire, twisted-pair wire (maximum 18 AWG recommended) for CAN Bridge Card wiring
and pull-chain wiring.
7. Repeat Steps 1 through 6 for each UPS.
8. Route the wiring through the conduit from the communication wiring access plate to the opening
between the two X-Slot communication bays on each UPS (see Figure 50).
Figure 50. Routing the Cables
Communication
Wiring Access Plate
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