0MLMHTM16RUENUB page 55 / 85
With hot removal, it is not necessary to shut down all the UPSs of the system in order to remove one.
A) UPS parallel cable type RJ45
B) RJ45 female/RJ45 female
shielded adaptor cable
UPS
BYPASS CABLE
NOTE: if the UPS to be removed
has SW1 in the start position, one
of the other UPS’s (UPS 1 or
UPS2) must be in the start
position.
One UPS in the system must
have SW1 in the start position
and LED ON.
I - Shut down the UPS (3) that is
to be removed. Remove the
signal cables of the UPS to be
removed.
II, III - Connect the RJ45
female/RJ45 female shielded
adaptor cable (not provided)
between cables A.
Check that all the UPS are operating normally and that the system is sharing the output power.
UPS 3
A
UPS 1
A
UPS 2
A
I
II
III
B
UPS 1
UPS 2
UPS 3
UPS 1
UPS 2