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OFT-8111/RX VIDEO OVER FIBER RECEIVER, 8x VIDEO +8x AUDIO +RS-48
[OFT-8111/RX]
553.66EUR

The OFT–8111/RX device is 8-channels receiver for OFT–111/TX transmitters. It includes eight OFT–111/RX transmitters inside one RACK type case.
The device allows to receive up to eight analogue video channels, eight audio channels, one telemetry data channel (RS485) and eight alarm data channels. The RS-485 data transmission is bi-directional at half duplex mode. The direction is set automatically depending on the RS-485 signal connection (on receiver or transmitter side). The connection between modules is made using one from eight single fibers. Each fiber is used to transmission of the one video channel, one audio channel, RS-485 channel and a signal from alarm module.
Above the fiber, video, alarm and power connectors there are LED indicators. The constant light means the signals presence. During RS-485 transmission the LED is blinking.
Each terminal of the receiver „ALARM OUTPUTS” connector 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 alarm output to the ground. On the "+" terminal there is a 11,4V voltage. So, this output can be used to control the relay on. The current consumption of each output can be maximal 0.5A, but the summary value of the current consumption has to be less than 2A. You have to select also the right power supply adaptor, because the device current consumption is about 1A. The ground of the device is connected to the "-" terminal.
The OFT-8111/RX device supports any CCTV cameras. It is designed for continuous work indoors.

SPECIFICATIONS

Number of video channels:

8 x 1 PAL/SECAM/NTSC

Video connectors:

BNC sockets

Input voltage / impedance:

1Vpp / 75Ω

Video bandwidth:

6.5MHz (-3dB)

Video resolution:

8 bit *

Number of audio channels:

8 x 1

Audio connectotrs:

RCA (CINCH) sockets

Audio input voltage:

1.5Vpp

Audio output impedance:

32Ω

Audio bandwidth:

30Hz - 14kHz (-3dB)

Audio resolution:

10 bit

Telemetry data format:

Bidirectional RS-485 (half duplex)

RS-485 maximum bitrate:

1000 kbit/s

RS-channel jitter:

80 ns

Optical transmitter / receiver:

Laser Fabry-Perrot / PIN photodiode

Encoding:

8 bit / 10 bit

Optical wavelength:

1310 ±50nm ->
1550 ±70nm <-

Connection bitrate:

8 x 155 Mbit/s

Maximum transmission distance:

20 km

Number of fibers:

1 - 8

Recommended fiber:

Standard single mode 9/125 μm (G652)

Optical connectors:

8 x SC Physical Contact

Power supply:

DC 12V / 350mA (2.1/5.5mm socket)

Power / current consumption:

< 11W / < 0.9A

Casing:

1RU (19")

Dimensions:

480 x 130 x 44 mm

Weight:

1.32 g

Operation temp.:

0°C - 50°C

Relative humudity:

0% - 95%


*

At 1Vpp signal. At lower levels effective resolution gets worse and quantization noise can be relatively higher.


Front panel view:


Top view:


Schematic diagram of the OFT-8111/RX receiver connections to the OFT-111/TX transmitters:


Front panel of the OFT-8111/RX receiver description:













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