Eaton BladeUPS DoS Installation Instructions P-164000613—Rev 3 17
Figure 19. Redundant Signal Card Connections
Bypass Switch Contact Cable
a. Install the Bypass Switch Contact cable between the two UPSs, connecting signal input 1 on the top
UPS to signal input 1 on the bottom UPS.
Note: There is a second wire set attached to the connector for the bottom UPS. These wires are connected
in Step C that follows (see Figure 20).
b. Route wires down left rear upright of UPS frame, from UPS section to the wiring section, with other
wiring that is located in the same wire channel.
c. Connect the labeled TB11 and TB12 wires to the terminals labeled “11” and “12” on terminal wiring
strip in the wiring section (see Figure 20).
Figure 20. Attach TB11 and TB12 to the Terminal Wiring Block
5. Replace the back panel of the transformer.
6. Replace all the cover plates on the back of the BladeUPS cabinet.
TOP UPS BOTTOM UPS
Terminal Wiring Strip
TB11 and
TB12
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