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Swit S-4605 Heavy Duty 3G-SDI to Optical fibre converter

code: S-4605
  • £290.00
  • RRP: £322.00
Status   |   Usually dispatched within 24 hours


  • 1 SDI input, 1 Optical output, and 1 SDI loop through output
  • Support hot swap of optical module
  • Power/SDI status indicator
  • Single-mode fibre, max 20km reliable transmission


SWIT S-4605 Heavy Duty 3G-SDI to Optical fibre converter

S 4605 S4605 S-4605 S/4605

Swit's S-4605 is a portable 3G/HD/SD-SDI to optical fibre converter. The single-mode fibre ensures a maximum of 20km of reliable transmission and hot-swap of optical module. Screw threads in the bottom of the S-4605 allow for convenient installation whilst a heavy-duty housing design protects BNC connectors.

Portable Mini Converter

  • S-4605 is a mini converter for SDI to LC single-mode Optical Fibre conversion, widely used on transmitting SDI in a long distance.

Input and Output

S-4605 offers:

  • 1× 3G/HD/SD-SDI input
  • 1× 3G/HD/SD-SDI loop output (Re clocked)
  • 1× LC Optical Fibre output

Encoder and Decoder

The S-4605 convert SDI to Optical fibre at the encoder end, and you can use SWIT S-4606 to convert Optical fibre back to SDI at the decoder end. The reliable transmission distance is up to 20km.

Status Indicators

S-4605 provides 2 LED indictors, to check if the power is connected, and if the input SDI is recognized.

Power Supply

The mini converter is powered by a pole-tap DC socket. The package includes an AC-DC power adaptor, and you can also connect DC cable from 6-18V batteries.

Heavy-Duty Housing

The S-4605 mini converter adopts unibody aluminium alloy housing, strong for field using and protects the BNC connectors effectively.


S-4605 provides the bottom 1/4-inch screw threads for fixing on cameras, and an installing plate is supplied in the package, for fixing on wall and binding the BNC cables and optical fibres.

Key Features:

  • Portable 3G/HD/SD-SDI to Optical Fibre Converter
  • 1 SDI input, 1 Fibre output and 1 SDI loop output
  • Single-mode Optical Fibre, LC connector
  • Max 20km reliable transmission
  • Support hot-swap of the optical module
  • Power / SDI input status indicator
  • Pole-tap 6-18V DC power input
  • Heavy-duty aluminium housing
  • Bottom screw threads for installing 





  • BNC×1
  • 3G/HD/SD-SDI input


  • BNC ×1
  • LC ×1
  • 3G/HD/SD-SDI loop output
  • Converted Optical fibre output

Video Format


  • 1080p (60 / 59.94 / 50)
  • 1080i (60 / 59.94 / 50)
  • 1080p (30 / 29.97 / 25 / 24 / 23.98)
  • 1080psf (30 / 29.97 / 25 / 24 / 23.98)
  • 720p (60 / 59.94 / 50)
  • 480i (59.94)
  • 576i (50)


  • Power: ≤3W  
  • Working Voltage: DC 6-18V  
  • Working Environment: Temperature: 0°C-+70°C, Humidity:10%-90%  
  • Dimensions: 98×84×29 mm  
  • Net weight: 220g


What's in the box

  • Installation plate
  • AC-DC Adaptor


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