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  1. Products
  2. Analog Audio Video
  3. Genlock / Black Burst / Tri-Level Sync over Fiber Extender Kit
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Genlock / Black Burst / Tri-Level Sync over Fiber Extender Kit

Model: F-GL-SYNC-TX/RX
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Description Features Models Accessories Specification Support

Description

Genlock / Black Burst / Tri-Level Sync over Fiber Extender Kit

The Genlock Over Fiber Extender is a professional solution for transporting genlock, black burst (bi-level), and tri-level sync signals over fiber optic cable across long distances. This sync over fiber system enables reliable video reference and timing distribution for broadcast and professional AV environments, eliminating signal degradation and interference found in traditional copper connections.

Designed for high-performance applications, this genlock fiber extender supports long-distance genlock over fiber transmission, making it ideal for broadcast sync over fiber, studio timing distribution, and OB truck synchronization over fiber networks. The system ensures stable and accurate video sync over fiber, maintaining precise timing across cameras, switchers, and production equipment.

This fiber optic sync system functions as a genlock transmitter and receiver, supporting black burst over fiber and tri-level sync over fiber for both SD and HD video formats. It provides a flexible genlock fiber converter solution for modern broadcast infrastructure, ensuring consistent and low-jitter signal delivery.

Ideal for use in broadcast studios, live production, stadiums, and mobile production units, this video reference over fiber solution delivers reliable performance for mission-critical timing applications.

Features

  • Passes timing protocols: Genlock / Black Burst (bi-level) / Tri-Level over fiber

  • Single-mode fiber up to 20 km for remote sync distribution

  • Mini size—available as enclosed units or PCB-style integration option

  • Hot-pluggable SFP, plug-and-play (no drivers)

  • BNC interface, 75Ω broadcast impedance, with TX loopout and multiple RX outputs

  • SD/HD auto sense with LED indication

  • Supports CVBS -Baseband Video PAL/NTSC

Model Selection

F-GL-SYNC-TX/RX  - 20Km 

F-GL-SYNC-TX/RX-40  - 40Km

F-GL-SYNC-TX/RX-80   - 80Km

F-GL-SYNC-TX/RX-CWDM -  CDSM option (1470nm,  1490,1510,1530,1550,1570,1590, 1610 )  - 80Km

Accessories & Upgrades

Package:
1. 1 x transmitter (client side) with SFP module.
2. 1 x receiver (host side) with SFP module.
3. 2 x Power Adapters.
 

Specification

Specifications – Thor Fiber F-GL-SYNC-TX/RX-MINI

Signal Types Supported Genlock (CVBS), Black Burst (Bi-level), Tri-Level Sync (auto-sense)
Video / Sync Standards PAL / SECAM / NTSC, Tri-level (Bi/Tri-level auto sense)
Channels 1 channel (TX: 1 input + 1 loopout; RX: 2 outputs)
Connectors BNC (75Ω)
Impedance 75 Ω
Bandwidth > 5.8 MHz @ ±0.2 dB
Differential Gain / Phase < 1%
Group Delay < 10 ns
SNR > 67 dB (CCIR567)
Optical Interface Hot-pluggable SFP transceiver
Wavelength 1310 nm (default), optional CWDM wavelength options
Optical Connector LC
Fiber Type Single-mode 9/125 µm
Data Rate 1000Base
Optical Output Power -10 to -3 dB
Receiver Sensitivity < -24 dB
Max Distance Up to 20 km
Power DC 5–12 V
Mechanical Enclosure: 95 × 55 × 25 mm (Aluminum, Black)
PCB Size (integration option) 40 × 100 mm
Net Weight 0.75 kg / pair
Environmental Operating: 0–50°C; Storage: -40–85°C; Humidity: 0–95% non-condensing
Package Contents 1× TX (with SFP), 1× RX (with SFP), 2× power adapters, 1× manual

Genlock / Black Burst / Tri-Level Sync over Fiber Extender Kit

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1(800)521-6384

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  • CATV Modulators:
    • HDMI RF Modulators
    • HD-SDI converters
    • IP to CATV Edge Modulators
  • DVB Encoders:
    • IPTV Video Encoders
    • Hdmi RTSP RTMP RTSP Encoders
    • Transcoders, MPEG Converters, IP ASI Gateways
  • Decoders (IRD's & STB's):
    • RF input - Video /Audio Ouput
    • IP Broadcast Decoders
    • RF CATV and IPTV OTT STB's
  • Satellite Modulators:
    • DVB-S/S2 Satellite Modulators
  • Fiber Optic Transport:
    • SDI Fiber Optic Extenders, Digital Audio Extenders
    • SDI SD/HD/3G with CWDM
    • Cable TV CATV RF 45-900Mhz
    • L-Band Satellite RF 45-3000Mhz
    • Data & Ethernet over fiber
    • Analog Audio Video
    • Fiber Amplifiers - EDFA
    • DVB - ASI
    • Fiber Jumpers, Cables, Attenuators,
    • Optic Splitters Couplers CWDM Muxes
    • Optical Meters, Test Equipment, Accesories
    • Analog Baseband Video Audio, RS485/422/232 Data, Contact Closure
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