Wall Mount the XN120 System
XN120 Expansion Unit Guide 11
4- Connecting the Expansion Units to the EXIFU card
Each expansion unit must be connected to the EXIFU card within the XN120 main unit.
If you are installing one expansion unit connect to the EXIFU socket labelled EXP1.
If you are installing two expansion units connect to the EXIFU sockets labelled EXP1 and EXP2.
The EXPCN socket on the expansion unit is located to the right of the ST sockets on the main board.
Expansion unit 1
XN120 Main Unit
Expansion unit 2
EXP 2 EXP 1 LAN
EXPCN
EXPCN
EXIFU-A1
connections