effective for interior plans which have specific
room numbers previously assigned.
5. Locator: Small 3 mm 3/32 inch dot which
indicates the physical location of the device on the
plans. Locator dot can be used with an arrow to
indicate the location of directional devices, such
as a CCTV camera, or with dashed lines to indicate
fence mounted or buried line type devices. The
symbol should be clarified in the legend and the
plans.
6. Symbol: A 15 mm 1/2 inch or greater diameter
circle with a horizontal line through the center.
Can be changed to a square or hexagon of similar
size, if necessary, for clarity on the drawings.
The size is dictated by the height of letters used
for the device nomenclature.
First Letter - Sensor Type (Phenomenology)
A
B
Balanced Magnetic Switch
C
Card Reader
D
Door Strike
E
Electrical Strain Sensitive
F
Fence Sensor
G
Glass Break
H
Reserved
J
Door Bolt
K
L
Photoelectric
M
N
P
Passive Infrared
R
Area Lighting
S
Switch (Contact)
T
Intercom
U
Ultrasonic
V
Video
W
Seismic (Vibration and Switchmat)
X
Ported Coaxial Cable
Y
Reserved
Z
Reserved
Second Letter - Sensor Detail
A
Ultracon
B
Intensified Silicon Intensified Target
C
Curtain
D
Vidicon
E
Angled left (_____) (radians) (degrees)
((_____) (radians) (degrees) from surface)
F
Reserved
G
Angled right (_____) (radians) (degrees)
((_____) (radians) (degrees) from surface)
H
Reserved
J
Reserved
K
Keypad
SECTION 13703N
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