3M 3900 Security Camera User Manual


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System configurations
Models 3911 and 3912
Models 3911 and 3912 have windowed panels on the lattices. Model 3911 has a single corridor, whereas Model 3912
has two corridors.
Fuses&voltage
selector
Keyswitch
Power
receptacle
Electronics
enclosure
Power
receptacle
Power
cord
Photocell
Alarm
Alarmlights
A
B
Fuses&voltage
selector
Photocell
Alarmlights
A
B
C
Power
cord
3900GrCorridorOverviewwithPanels
Counter
Alarm
Model391 1single-corridorsystem
Model3912dual-corridorsystem
Counter
Single-corridor system
Dual-corridor system
8
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