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    <title>Lowest Price Swit Audio  from DigiBroadcast</title>
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    <lastBuildDate>Wed, 07 Oct 2026 12:02:14 +0100</lastBuildDate>
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              <pubDate>Wed, 07 Oct 2026 12:02:14 +0100</pubDate>
              <title>SWIT S-4605 Heavy Duty 3G-SDI to Optical fibre converter</title>
              <description><a href="http://www.digibroadcast.com/audio-c63/swit-s-4605-heavy-duty-3g-sdi-to-optical-fibre-converter-p42183"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="http://www.digibroadcast.com/images/swit-s-4605-heavy-duty-3g-sdi-to-optical-fibre-converter-p42183-91633_thumb.jpg" alt="SWIT S-4605 Heavy Duty 3G-SDI to Optical fibre converter"  class="lazyload" /></a>
<p><a href="http://www.digibroadcast.com/audio-c63/swit-s-4605-heavy-duty-3g-sdi-to-optical-fibre-converter-p42183">SWIT S-4605 Heavy Duty 3G-SDI to Optical fibre converter</a></p>
<p>SWIT S-4605 Heavy Duty 3G-SDI to Optical fibre converter
S 4605&amp;nbsp;S4605&amp;nbsp;S-4605&amp;nbsp;S/4605
Swit&#039;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&amp;nbsp;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.
Installation
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&amp;nbsp;

&amp;nbsp;</p></description>
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