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 communication 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.

 

 

MISI

 

 

board

 

XM12

UPS 1

 

 

 

XM7

 

 

XM11

 

 

XM6

 

 

XM10

 

 

XM5

 

 

 

MISI

A

 

board

XM12

UPS 2

 

 

 

XM7

 

 

XM11

 

 

XM6

 

 

XM10

 

 

XM5

 

Fig. 19

A

 

MISI

 

board

 

XM12

UPS 1

XM7

XM11

 

 

 

XM6

XM10

 

 

 

XM5

 

 

 

 

MISI

 

 

board

 

XM12

UPS 2

XM7

XM11

 

 

 

XM6

XM10

 

 

 

XM5

 

 

 

 

MISI

 

 

board

 

XM12

UPS 3

XM7

XM11

 

 

 

XM6

XM10

 

 

 

XM5

 

 

Fig. 20

34006451EN/AC - Page 25

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Image 25
APC 9000 installation manual Connections between Misi boards modular UPSs, Ups