Vertiv Liebert APM 300 - Page 72

Chapter 7 Parallel System And Dual Bus System 59
APM 300 Integrated UPS Single Module And Parallel System User Manual
UPS 1
Bypass module
LBS cable
J2
J3
J4
J2
J3
J4
Bypass module
UPS 2
LBS cable
UPS 1
UPS 2
Bypass module
Bypass module
J2
J2
J3 J3
J4
J4
LBS cable
LBS cable
Figure 7-8 Connection of typical dual bus system of two single UPSs with redundancy LBS cable