Elevator COP Button and Switch Wiring

From the top to the bottom:
* Floor indicator circuit board
* Speaker, provides "ding" on floor arrival, phase 1 fire service audible alarm, and voice communication for emergency phone
* Fire operation control panel
* Key switches for maintenance modes
* On-board controller circuit board
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Hater's Haven Resort and Spa

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Canon EOS Digital Rebel XTi
(Replaced by Canon EOS Rebel T2i)
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EXIF data
X-Resolution | 72 dpi |
---|---|
Y-Resolution | 72 dpi |
Exposure | 0.02 sec (1/50) |
Aperture | f/4.5 |
Exposure Bias | -2/3 EV |
Focal Length | 18 mm |
Focal Plane X-Resolution | 4433.295337 dpi |
Focal Plane Y-Resolution | 4453.608247 dpi |
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