Liebert NX 30 - Page 32

32 User Manual 10H52192UM60 - Rev. 1 - 09/2011
Liebert NX Installing Parallel Systems
UPS 1
Bypass module
LBS cable
UPS 3 UPS 4
J2
J3
J4
J2
J3
J4
J2
J3
J4
J2
J3
J4
Bypass module Bypass module Bypass module
UPS 2
LBS cable
Figure 3-7 Connection of Typical Dual Bus System of Two Parallel Systems
UPS 1
Bypass module
LBS cable
J2
J3
J4
J2
J3
J4
Bypass module
UPS 2
Figure 3-8 Connection of Typical Dual Bus System of Two Single UPS Modules Without Redundancy LBS Cable
UPS 1
Bypass module
L
B
S
c
a
b
l
e
J2
J3
J4
J2
J3
J4
Bypass module
UPS 2
L
B
S
c
a
b
l
e
Figure 3-9 Connection of Typical Dual Bus System of Two Single UPS Modules with Redundancy LBS Cable