Bose FREESPACE 4400 User Manual

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4.0 Hardware Installation
4.7 System wiring
Installer’s Note: Disconnect the FreeSpace 4400 system 
from the AC (mains) power before making any input/output 
connections.
 
 
 
4.7.1 Serial data communications
Connect your PC to the FreeSpace 4400 system using a straight-
wired serial data cable (DB9 male to DB9 female).
4.7.2 Remote standby switch
If you are installing a remote standby switch, connect it to the 
REMOTE ON/OFF input.
RS232 port pinout
Remote Standby 
Switch
4400
REMOTE ON/OFF
Normally Open 
Switch (latching)