8.4.4 LBS cable
For 120 kVA dual bus system, connect the optional LBS cables (10 m, 15 m, 20 m) between the LBS ports or PARA2 and LBS
port of the two UPS systems.
NOTE: You must use the shortest LBS cable suitable for the application and must not coil excess. Meanwhile, separate
the LBS cable from the power cables to prevent electrical interferences.
Figure 8.6 LBS Cable Connection of Typical Synchronous Double Busbar System (Single Unit)
Figure 8.7 LBS Cable Connection of Typical Double Busbar System (Single and Parallel)
152 Proprietary and Confidential ©2023 Vertiv Group Corp. 8 Parallel System and LBS System
Vertiv™ Liebert® APM2 30 to 120 kVA Modular UPS User Manual
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