Gefen, LLC - 3GSDI Fiber Optic Extender

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Diagram

3G-SDI extension using a single-mode fiber optic cable

The 3GSDI SM FO Extender extends 3G-SDI over one single-mode ST-terminated fiber optic cable up to 1.25 miles (2 kilometers). It supports SMPTE-424M (3G-SDI), SMPTE-292M (HD-SDI), and SMPTE-259M (SDI). The 3G-SDI BNC connector and the ST-terminated fiber optic signal transmission provide excellent immunity to electromagnetic interference compared to copper based extension modules. The compact design makes the small modules ideal for fitting neatly behind equipment for a clean installation, and a great way to easily extend any SDI signal.

How It Works

The Sender module plugs into the BNC connector on the SDI source. The Receiver module plugs into the BNC input of the SDI device up to 1.25 miles (2 kilometers) away. Connect one single-mode ST-terminated fiber optic cable from the Sender to the Receiver module. Plug the power connectors from the two power supplies into the locking connectors on the Sender and Receiver modules.

Features

Supports SMPTE-424M (3G-SDI), SMPTE-292M (HD-SDI), and SMPTE-259M (SDl) specifications
Extends 3G-SDI up to 1.25 miles (2 kilometers) over one single-mode ST-terminated fiber optic cable
Locking power connectors
Robust metal die-cast enclosure for reliable operation in harsh environment
Fiber optic transmission eliminates electromagnetic interference (EMI)
Compact Sender and Receiver modules provide a clean, easy installation
FCC and CE compliant for EMI/RFI emission

Specifications

Data Rate: up to 3 Gbps
Range: Up to 1.25 miles (2 kilometers)
Input Impedance: 75 Ω
Signal Level: 800mVp-p +/- 50mV
Optical Fiber Type: ST (single-mode)
Number of Fibers: 1
SDI Connector: BNC Male
Propagation Delay (Sender): 1.5 ns
Propagation Delay (Receiver): 40 ns
Power Supply: (2) 5V DC
Power Budget: 12dB
Operating Temperature: +4 to +158 °F (-20° to + 70 °C)
Wavelength (Sender unit): 1290 nm (min.), 1310 nm (typical), 1330 nm (max.)
Wavelength (Receiver unit): 1100 nm (min.), 1310 nm (typical), 1650 nm (max.)
Dimensions (W x H x D): 0.77" x 0.77" x 1.97" (19.55mm x 19.55mm x 50.03 mm)
Shipping Weight: 1.3 lbs. (0.58 kg)

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