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KRIzNI IZVIJAc PZ2 ST-STHT0-60276 STANLEY
KRIzNI IZVIJAc PZ2 ST-STHT0-60276 STANLEY
2.51EUR
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OFT-111/TX VIDEO OVER FIBER TRANSMITTER, 1x VIDEO +1x AUDIO +RS-
[OFT-111/TX]
114.23EUR

The OFT-111 device is built from two separate modules: the transmitter and the receiver. They enable the transmission of 1 analogue video signal, 1 audio signal, 1 telemetric data channel (RS485) and they have built-in 1 channel alarm module. The transmission is over one single mode fiber.
The RS485 data transmission is bidirectional at half duplex mode. The transmission direction is set automatically and depends on that, where the RS485 signal will be connected to (receiver or transmitter).
To connection between two device modules is using the one single mode fiber.
The power supply inputs and audio inputs/outputs has double different type connectors. Above the fiber, video and power connectors there are LED indicators, which will light on (constant light) if the signal is connected. When the RS485 signal is connected the LED indicator is blinking. The left pin of the receiver "ALARM" socket is connected to the control transistor drain and the source to the ground. The short-circuit of the transmitter alarm input pins causes the short-circuit the left pin to the ground. On the right pin there is a 10V voltage. So, this output can be used to control the relay on. The ground of the device is only connected to the "-" output of the audio terminal.
The OFT-111 series devices support any CCTV cameras. They are designed for continuous work indoors.

SPECIFICATIONS

Number of video channels:

1 PAL/SECAM/NTSC

Video connectors:

BNC

Video input voltage / impedance:

1Vpp / 75Ω *

Video bandwidth:

6.5MHz (-3dB)

Video resolution:

8 bit **

Number of audio channels:

1

Audio connectors:

RCA (CINCH) / terminals

Audio input voltage:

1.5V Vpp

Audio in/out impedance:

239kΩ / 32Ω

Audio bandwidth:

30Hz ... 14kHz (-3dB)

Audio resolution:

10 bit

Telemetric data format:

bidirectional RS485 (half duplex)

RS485 maximum bitrate:

1000kbit/s

RS-channel jitter:

80 ns

Optical transmitter / receiver:

Fabry-Perot LASER / PIN photodiode

Encoding:

8B/10B

Optical wavelength:

1550 ±70nm

Connection bitrate:

155 Mbit/s

Maximum transmission distance:

20 km

Number of fibers:

1

Recommended fiber:

Standard single mode 9/125 μm (G652)

Optical connector:

1 x SC Physical Contact

Average optical output power:

-10dBm

Power supply:

DC 12V (2.1/5.5mm power socket / terminals)

Power consumption:

< 1.7W

Casing:

ZnAl - shielded

Dimensions:

167 x 88 x 43 mm

Weight:

800 g

Operation temp.:

from 0°C to +50°C

Relative humidity:

from 0% to 95%


*

The exceeding of this value causes video signal limitations. It may cause the distortions of the image (flickering, etc.).

**

This resolution is for 1Vpp signal value. At low levels the image will be with more noise visible.


Front panel view:


Top view:


Optical transmission schematic diagram:


Front panel description (transmitter and receiver):


Package:










Artikel je bil dodan v katalog dne Wednesday 21 October, 2009.
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