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8 Port 3G HD SDI Over Fiber Extender+8 Port RCA

View : 208
Type : HD-SDI to Fiber Converter
Description :

This HD SDI Over Fiber Extender uses digital encoding technology to achieve long-distance bidirectional transmission through a single-mode fiber optic.


This HD SDI over fiber extender uses digital encoding technology to achieve long-distance bidirectional transmission through a single-mode fiber optic cable, enabling the transmission of 8 channels of 3Gbps HD-SDI video signals and 8 channels of audio interfaces (RCA).

It can transmit signals up to 80 kilometers without distortion or the need for relays.

The supported signal formats range from 270Mbps to 2.97Gbps and include SMPTE424M, SMPTE292, SMPTE344M, SMPTE259M, and DVB-ASI (270M), which are digital television formats.


This HD SDI over fiber extender is a fully aluminum alloy chassis with full gold anodization, designed in a 19-inch 1U rack-mounted style.

Used in pairs, where the video signal is input on one end and output on the other end.

Automatically detects SD, HD, and 3G inputs, supporting rates ranging from 270Mbit/s to 1.48Gbit/s to 3Gbit/s. Additionally, it supports the new FULL HD 1080P/60HZ 3Gbps HD-SDI format, allowing for a maximum transmission distance of up to 80 km.

Supports various digital television formats, including SMPTE 424M (2.97Gbps/s), SMPTE 292M (1.485Gbps/s), SMPTE 344M (540Mb/s), SMPTE 259M (360Mb/s), and DVB-ASI (270Mb/s).

The transmitter is equipped with automatic cable equalization, providing support for distances of 80M at 2.97Gb/s, 140M at 1.485Gb/s, and 250M at 270Mb/s.

Both the transmitter and receiver feature LED indicators that display the status of the SDI and audio signal connections.

The audio interface utilizes RCA unbalanced connectors and offers a high dynamic range. The audio is processed using 24-bit AD/DA conversion at a sampling rate of 128K, ensuring professional-grade transmission quality.

The video interface features three-level lightning protection, capable of passing the ITU-T K.21 (10/700 μS) test with a common mode of 6KV and an impedance of 40Ω.

The HD SDI over fiber extender can be powered by either AC220 or DC-48V/+24V supply.


● Optical fiber

Optical Port: 1

Optical fiber: single fiber

Optical interface: FC

Wavelength: 1310nm-1610nm Single-mode

Transmission distance without relay: 0~80km

Typical transmit power: single mode 100uw-0.93mw


● 3Gbps HD-SDI video

Video bandwidth: 270Mb/s – 2.97Gb/s

TV signal standards: SMPTE 424M, SMPTE 292M, SMPTE 344M, SMPTE 259M and DVB-ASI

Reflection loss: >15DB

Balanced: 250m@270Mbit/s, 140m@1.485Gbit/s, 80m @2.97Gbit/s

Interface: 75 ohm BNC


● Audio

Signal level: 0.5-4Vp-p

Input/output impedance: 600Ω (unbalanced)

AD/DA bit width: 24Bit

Sampling frequency: 128K

Bandwidth: 20Hz-20KHz

Total harmonic distortion: <1%

Signal-to-noise ratio (SNR): >85dB

Connection terminal: RCA unbalanced interface


● Environmental Indicators

Working temperature: -10 ℃ – +60 ℃

Storage temperature: -40 ℃ – +85 ℃

Working humidity: 0% -95% (non-condensing)

MTBF:  > 100,000 hours




Function Description

Simultaneously transmits 8 channels of 3Gbps HD-SDI signals + 8 channels of RCA audio signals on optical fiber

Ports Description

1 optical port; 8 * 3G-SDI ports, 8 * RCA audio ports

Power Supply

AC220V or DC-48V or DC+24V (optional)

Product Size

(L × W × H) 485*200*45mm, 1U rack-mounted


1.25Kg /pcs

Application of HD SDI over fiber extender

application of sdi fiber converter


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