APC 9000 Connections between MISI boards (modular UPSs)

34006451EN/AC - Page 25
Installation
Connections between MISI boards (modular UPSs)
See figures 19 to 21.
– these connections are made using the special cables (A) supplied;
– connectors XM5, XM6 and XM7 on the MISI board are used to transmit signals;
– connectors XM10, XM11 and XM12 on the MISI board are used to receive signals;
– connector XM5 is associated with connector XM10 for com munication with a second UPS unit; similarly, XM6 is associated
with connector XM11 for communication with a third UPS unit and XM7 is associated with connector XM12 for communication
with a forth UPS unit;
– situation with two modular UPS units: see figure 19;
– situation with three modular UPS units: see figure 20;
– situation with four modular UPS units: see figure 21.
Fig. 19
Fig. 20
MISI
board
UPS 1
MISI
board
UPS 2
A
XM5
XM6
XM7
XM10
XM11
XM12
XM5
XM6
XM7
XM10
XM11
XM12
MISI
board
UPS 1
MISI
board
UPS 2
MISI
board
UPS 3
A
XM5
XM6
XM7
XM10
XM11
XM12
XM5
XM6
XM7
XM10
XM11
XM12
XM5
XM6
XM7
XM10
XM11
XM12