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  • Model: EXT-3GSDI-FO-141
  • Shipping Weight: 2lbs
  • Manufactured by: Gefen

3GSDI Fiber Optic Extender


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The Gefen 3GSDI Fiber Optic Extender is a miniature digital video transport system over fiber optic cable for 3G/HD-SDI. It transports a one-channel SMPTE-424M (3G-SDI), SMPTE-292M (HD-SDI), SMPTE-259M (SDI), or DVB-ASI serial digital video signal over extended distances up to 18 miles (30 km) by using single-mode (or 1 km over multi-mode fiber optic cable).

A digital video source is connected to the 3GSDI Fiber Optic Extender sender. Next, connect the sender and receiver via fiber optic cable. Apply power to both sender and receiver units. Finally, connect the receiver unit to the 3G-SDI digital output destination.

3GSDI Fiber Optic Extender


  • Supports SMPTE-424M (3G-SDI), SMPTE-292M (HD-SDI), SMPTE-259M (SDl), DVB-ASI specifications
  • Extends up to 18 miles (30Km)
  • Transports Multi-rate HD-SDI Digital Video over 1 Fiber
  • Latch-Locking Power Connector
  • HD-SDI BNC input connector and ST terminated fiber optical connector
  • Robust metal die-casting enclosure for harsh environment
  • Automatic Input Equalization

Technical Specifications

Item Description
Input Impedance 75 Ohm
Data Rate up to 3 Gbps
Signal Level 800mVp-p +/- 50mV
Optical Fiber Types ST (Multi mode and Single mode)
Number of Fibers 1
Output Connector BNC Female
Distance Up to 12 miles (20km) using single-mode fiber. Up to 1km using multimode fiber
Propagation Delay (Sender) 1.5 ns
Propagation Delay (Receiver) 40 ns
Dimensions 0.77"W x 0.77"H x 1.97"D
Power Supply 5V DC @ 0.5 A
Power Budget 16dB
Operating Temperature -20 to + 80C
  • (1) EXT-3GSDI-FO-141S Sender
  • (1) EXT-3GSDI-FO-141R Receiver
  • (1) Users manual
  • (2) 5V DC Power Supplies


3GSDI Fiber Optic Extender3GSDI Fiber Optic Extender

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