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Farfisa ST 720 Technical Manual page 106

Electronic call systems

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EXTERNAL DOOR STATIONS
PUSH-BUTTON PANELS
Video modules with integrated audio amplifier
PL40P.
Modules complete with:
- CCD camera with autoiris, fixed 3.6mm lens and 6 infrared LED's.
- amplified speaker unit with volume adjustment of 2 channels
(reception and transmission)
- aluminium front plate with transparent screen
- red operation LED
- horizontal and vertical adjustments
PL40PC. Colour version of model PL40P.
PL41P.
Same as PL40P, with call button and name plate panel with transpar-
ent screen and green LED backlighting.
PL41PC. Colour version of model PL41P.
PL42P. Same as PL41P, with 2 call buttons.
PL42PC. Colour version of model PL42P.
Terminals
1 Reception audio line
2 Transmission audio line
3 Power supply input for electric door speaker (6÷12Vdc)
4 Audio ground
-
Alternated power supply input or ground for name-plate Led
A AC or DC power supply input for name-plate Led (12Vac-dc)
C Call push-buttons common
P1 Call push-button
V Video signal output (coaxial cable)
M Video ground (coaxial shield)
H Positive voltage input for camera (18÷24Vdc)
L- Negative power supply input for service Led
L+ Positive power supply input for service Led
Technical data
Power supply
Operating current
Video signal output
P
Video signal standard
Minimum illumination
R
White balance
Sensor
O
Number of pixels
Horizontal frequency
Vertical frequency
F
Lens
Focus
I
Autoiris
Horizontal adjustment
L
Vertical adjustment
Operating temperature
Max. permissible humidity
O
PL40P÷42P
PL40PC÷42PC
21±3Vdc
21±3Vdc
0.3A
0.4A
1Vpp on 75Ω
1Vpp on 75Ω
CCIR
PAL
2 Lux
2.5 Lux
-
auto
CCD 1/4" B/W
CCD 1/3" colour
291,000
291,000
15,625Hz
15,625Hz
50Hz
50Hz
3.6mm; F5
4mm; F4
0.1m ÷ ∞
0.6m ÷ ∞
electronic
electronic
± 15°
± 15°
± 15°
± 15°
-10°÷+40°C
-10°÷+40°C
80%RH
80%RH
(MT11 - Gb2006)
Adjustments
You can manually change the camera framing by unloosening and adjusting
the horizontal and vertical screws in the desired direction.
P4
P3
C2
1 2 3 4 L+ M V H
Audio adjustments
If necessary, it is possible to adjust the volume of the 2 audio channels
opportunely varying the external knobs.
104
± 15°

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