FTX-VF fibre optic transmitter

Vision frame systemSDI over fibre symbol3Gb/s symbolHD symbolSD symbolDual channel symbolRemote control symbol

What is it?

FTX-VF fibre optic transmitterDual channel 3Gb/s, HD or SD to fibre optic transmitter.

Reason to choose it...

You'll get robust transport of your signals over long distances while saving money and rack space with this dual channel product allowing up to 40 channels in 3U, as well as providing two useful input loop-throughs per channel. Full DVB-ASI compatibility and the ability to fit CWDM lasers further increases the flexibility of the product.

Ideal for...

Any SMPTE 297-2006 short-haul applications where 3Gb/s, HD and SD sources need to be transported over long distances – such as moving signals around in big installations. See who's using our fibre transmitters and receivers.

Control it...

Try out the FTX-VF VisionWeb GUI (opens in new window) – you'll see how easy it is to operate the FTX-VF from your web browser, while exploring the full functionality of the product.

Got a question?

We would be very happy to answer any questions you've got about the FTX-VF. Either send us an e-mail or get an immediate response by speaking to us now on our Live Chat...

  • Main features
  • Details
  • Specs
  • What outputs do I get?
  • What do I order?
  • Who's using it?

Main features

  • Dual channel fibre optic transmitter - get up to 40 channels of fibre in 3U

  • Two independent 3Gb/s, HD, SD or DVB-ASI inputs, each with one optical output

  • Send digital signals over long distances - ideal for moving signals in large installations or between OB vehicles

  • Meets the SMPTE 297-2006 short-haul specification, allowing operation with single-mode and multi-mode fibre

  • Use the two input loop-throughs per channel to distribute the input video or for system checking

  • Non-hazardous Class 1 laser, with useful features including auto and manual disable and monitoring of laser level and bias
  • CWDM lasers available on request in ten different wavelength pairs – allowing you to get multiple signals through one fibre and saving you money and rack space

  • Inputs and outputs accessed by using an appropriate rear module (VR14)
  • Housed in Vision rack frames
  • Space-saving: 96mm x 325mm card allows up to 20 FTX-VF in 3U
  • Flexible control and monitoring: frame integrated control panel, VisionPanel remote control panel, SNMP, ASCII and JSON protocols or the web browser-based VisionWeb Control
  • Five year warranty (with product registration)
  • This product is available to either purchase or hire, with hire pricing typically 6% of list price per week (with one week minimum hire period and £200 minimum charge)


Transport your signals reliably

The FTX-VF fibre optic transmitter provides a robust transport medium to transmit 3Gb/s, HD or SD signals over long distances. It is ideal for use with the FRX-VF fibre optic receiver, but can be used with alternative receivers.

The reclocking FTX-VF transmits a serial digital signal down a fibre optic cable and has two independent 3Gb/s, HD or SD inputs, each with one optical output.

Specially modified laser modules allow the FTX-VF to cope successfully with pathological signals - with this challenging test pattern useful for testing your serial link.

Use it with single-mode and multi-mode fibre

The FTX-VF meets the SMPTE 297-2006 short-haul specification, allowing operation with both single-mode and multi-mode fibre.

This makes it suitable for a wide range of applications - from moving signals in large installations to passing signals between Outside Broadcast vehicles.

Laser features

The FTX-VF features a non-hazardous Class 1 laser that will automatically switch off if there is no video input – facilitating system debugging and prolonging laser life. The laser can also be shut down manually.

Warnings are given when the laser bias current is above the threshold indicating imminent failure, and also when the laser is producing low output power and should be replaced immediately.

Distribute your input video - or check your system

The FTX-VF includes two input loop-throughs per channel.

These loop-throughs can be used to distribute the input video to equipment such as a picture monitor, or alternatively for system checking: if a signal path has a good input and a faulty output, you can use the spare outputs to check each stage of the system without breaking any of the connections, and so work out which equipment or cable is broken.

Get multiple signals through one fibre - with CWDM

The standard FTX-VF uses a wideband 1310nm laser, but Crystal Vision can alternatively provide narrowband CWDM lasers on request.

CWDM (coarse wavelength division multiplexing) allows many signals to be transmitted down a single fibre link by using a different wavelength of light for each signal – saving you money and rack space. By fitting the appropriate CWDM laser and using an external combiner, you can take the output signal from the FTX-VF and combine it with signals from other sources down one fibre.

The output wavelengths are defined by the ITU and are available in the following ten combinations: 1271nm and 1291nm, 1311nm and 1331nm, 1351nm and 1371nm, 1391nm and 1411nm, 1431nm and 1451nm, 1471nm and 1491nm, 1511nm and 1531nm, 1551nm and 1571nm, 1591nm and 1611nm or 1310nm and 1550nm.

For CWDM, please order the FTX-CWDM-VF version and specify the laser wavelength pair required.

Choose your control

All control is done remotely. The remote control and monitoring options for the FTX-VF include an integrated control panel on the Vision 3 frame, the VisionPanel remote control panel, SNMP, our ASCII and JSON protocols and the VisionWeb web browser control. Try the FTX-VF VisionWeb demo...

There is remote control of output enable/disable for channels 1 and 2, as well as remote monitoring of input present, signal type and laser level and bias for both channels.

Crystal Vision frameSave rack space

Fitting in the standard Vision frames (currently available in 3U size), the FTX-VF is a space-saving 96mm x 325mm card that sits in one frame slot – allowing up to 20 fibre transmitters in 3U. Sharing a frame makes it easy to transport or receive signals from the other products in the company's Vision range.

The inputs and outputs are accessing by using the VR14 frame rear module.




Standard Vision card 96mm x 303mm (96mm x 325mm including finger pull)

Weight: 200g

Power consumption: 4 Watts


Two 3Gb/s, HD or SD inputs

DVB-ASI compatible

270Mb/s or 1.5Gb/s or 3Gb/s serial compliant to SMPTE 259 or ASI data, SMPTE 292-1 and SMPTE 424/425-A

Works with the following video standards: 625i, 525i, 720p50, 720p59.94, 720p60, 1080i50, 1080i59.94, 1080i60, 1080p23.98, 1080p24, 1080p25, 1080p29.97, 1080p30, 1080p50, 1080p59.94, 1080p60, 1080PsF23.98, 1080PsF24, 1080PsF25, 1080PsF29.97, 1080PsF30, 2048x1080p23.98*, 2048x1080p24*, 2048x1080p25*, 2048x1080p29.97*, 2048x1080p30*, 2048x1080PsF23.98*, 2048x1080PsF24*, 2048x1080PsF25*, 2048x1080PsF29.97*, 2048x1080PsF30* (*= YUV 4:2:2 10 bit)

3Gb/s cable equalisation up to 100m using Belden 1694A

HD cable equalisation up to 140m with Belden 1694 or equivalent (approx. 100m with Belden 8281)

SD cable equalisation >250m Belden 8281 or equivalent

Auto 50/59.94/60Hz and video format selection

Passes all 3Gb/s, HD and SD signals transparently, including pathological signals


One optical output per channel using VR14 frame rear module

Loss of input will automatically disable the laser outputs. The outputs can also be manually enabled and disabled, with independent adjustments for each channel

Two reclocked 3Gb/s, HD or SD input loop-throughs per channel. Slew rate is set automatically

Meets the SMPTE 297-2006 short-haul specification. This allows operation with single-mode and multi-mode fibre

Laser safety classification: Class 1 FDA and IEC60825-1 Laser Safety compliant

Optical power: Max 0.0dBm, min -5.0dBm

Fibre pigtail: Single-mode 9/125uM

Optical wavelength: 1290-1330nm (1310 typical)

Extinction ratio: 7.5dB

Connector type: LC


The FTX-VF can be supplied with CWDM (coarse wave division multiplexing) lasers. The output wavelengths are defined by the ITU and are available in specific combinations

For CWDM, order the FTX-CWDM-VF and specify which of the following laser pairs you require:

  • 1271nm and 1291nm
  • 1311nm and 1331nm
  • 1351nm and 1371nm
  • 1391nm and 1411nm
  • 1431nm and 1451nm
  • 1471nm and 1491nm
  • 1511nm and 1531nm
  • 1551nm and 1571nm
  • 1591nm and 1611nm
  • 1310nm and 1550nm


Less than 100ns


Power okay


Remote control of output enable/disable for channels 1 and 2

Remote monitoring for channels 1 and 2 of input present, 3G/HD or SD or unknown signal, level (laser is producing low output power and should be replaced) and bias (laser bias current above threshold indicating imminent failure)


VisionWeb Control is available via the web server on the frame and allows control and monitoring using a standard web browser on a computer, tablet or phone

SNMP control and monitoring available as standard

Control using ASCII and JSON protocols


Monitor from integrated control panel on Vision 3 frame

Monitor from VisionPanel 3U remote panel


NB. No board edge control available on Vision products


What outputs do I get?

Signal inputs and outputs are accessed by using an appropriate rear module.

The Vision rear modules slot on at the back of the frame and typically feature BNC, Micro BNC, D-Type and LC fibre connectors.

There is one rear module available for the FTX-VF...

VR14 rear module label and connections

More about the VR14

Connectors: 6 BNCs and dual LC fibre

Frame slots used: 1

Boards in 3U: 20

Why use it: It's the only rear module for the FTX-VF



FTX-VF inputs and outputs with VR14 rear module

VR14 rear module label for FTX-VF


For more visual technical information, download the FTX-VF block diagram.

What do I order?

Request a quote...

Read the ordering info below then fill in this form to request a quote for the FTX-VF fibre optic transmitter and accessories...

Your contact details
Items for quote

First you need the 96mm x 325mm card...

Dual channel 3Gb/s, HD or SD to fibre optic transmitter (For CWDM, order the FTX-CWDM-VF and inform Crystal Vision the laser wavelength pair you require)

Next select your frame...

Vision 3
3U frame with integrated control panel and smart CPU for up to 20 Crystal Vision cards from the Vision range. Includes two PSU3-VF power supplies for redundancy. Allows Ethernet connection to a PC

You need a rear module to access your inputs and outputs...

Single slot frame rear module. Allows 20 FTX-VF in 3U. Gives access to two 3Gb/s, HD or SD inputs, two input loop-throughs per channel and one optical output per channel

Finally - control. Complimentary options include the frame's integrated control panel, the VisionWeb web browser control, SNMP and our ASCII and JSON protocols. Alternatively order the item below...

3U Ethernet remote control panel with touch screen


Who's using it?

Users of the fibre optic transmitters and receivers in the Vision and Indigo ranges include...

  • Alter Ego Media S.A. (Greece)
  • ANTV (Vietnam)
  • ATG Danmon (UK)
  • BBC (UK)
  • BBC Millbank (UK)
  • BBC Northern Ireland (UK)
  • BBC Scotland (UK)
  • BBC Studioworks (UK)
  • BBC Wales (UK)
  • BBC World Service (UK)
  • BFE Studio (Austria)
  • Celebration Community Church (USA)
  • Channel 4 (UK)
  • CVP (UK)
  • Czech TV (Czech Republic)
  • dB Broadcast (UK)
  • Dega Broadcast Systems (UK)
  • EastEnders (UK)
  • ESPN Star Sports/Fox Sports (Singapore)
  • Fedex TV (USA)
  • HD Vietnam (Vietnam)
  • Hollyoaks/Lime Pictures (UK)
  • Houses of Parliament (UK)
  • IPE (UK)
  • ITN (UK)
  • ITV (UK)
  • IVC Technologies Ltd. (UK)
  • MTVA (Hungary)
  • Open TV (Greece)
  • ORF (Austria)
  • Pinellas County Communications (USA)
  • ProSiebenSat.1 Media (Germany)
  • Puls 4 (Austria)
  • Radio Televisyen Malaysia (Malaysia)
  • Raytheon (USA)
  • root6 (UK)
  • Royal Opera House (UK)
  • RTV Slovenija (Slovenia)
  • SBCS (USA)
  • Scottish Parliament (UK)
  • SysDev (UK)
  • Technographic Displays (UK)
  • Telefónica (Spain)
  • The London Studios (UK)
  • The One Show (UK)
  • Trent Bridge (UK)
  • TV Nova (Czech Republic)
  • Universal Media Services (USA)
  • University of Central Florida (USA)
  • University of North Carolina Wilmington (USA)
  • VCTV (Vietnam)
  • Vinh Phúc TV (Vietnam)
  • VSC Design (UK)
  • VTC (Vietnam)
  • Westminster Live (UK)

Do more...


Explore more...

Fibre optics

From the Vision frame system...

  • FRX-VF 3G/HD/SD fibre optic receiver

From the Indigo frame system...

  • FTX-L 3G 3G/HD/SD fibre optic transmitter
  • FRX 3G 3G/HD/SD fibre optic receiver