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9
Installation Introductions
Note:
L The measurements and angles are for reference purposes and may vary depending on the
environment.
L If a strong light is shining on the door station, the visitor’s face may not be distinguishable.
Do not place the door station in the following locations:
– Where most of the background is the sky.
– Where the background is a white wall reflecting direct sunlight.
– Where direct sunlight will shine on the door station.
– Where echoing occurs, causing the unit to beep frequently.
L Make sure the back of the door station is not subject to water exposure.
Important:
L When the camera angle is set facing the upper left or upper right, the image may be slightly
curved.
Wire type and distance
L Wire (between the monitor station and the door station):
Type: General cable CAT-3 24 AWG
Distance: Maximum 100 m (about 328 feet)
Switch box
L Switch box (to install the door station easily):
Type: Gang box with conduit knockout
Size: 3" x 2" (Depth: 1
1
/2" over)
– 3 switch boxes are needed for installation.
VL-GC003A.book Page 9 Monday, October 24, 2005 8:35 PM