LevelOne FCS-4000 User Manual page 9

unscrew the bottom screw to install cables.
Power&A/V Cable
Alarm Cable
Microphone Cable
Speaker Cable
Insert the plug, and pull these cables through out from the bottom of bracket.
For the alarm cable
Brown Red
DI 1 DI 2
Hook up the safety buckle, and screw the two screws to fix the power box.
Orange Yellow
DI 3 DI 4
Green Blue
GND NC
LAN Cable
Reset Button
Black White
COM NO