Home Products SDI To Fiber Optic Converter

4-Ch 3G-SDI Fiber Converter with Loop Out RS485 Tally Support

All Products

Fiber Ethernet Media Converter (112)

Industrial Ethernet Media Converter (128)

POE Fiber Media Converter (62)

Power Over Ethernet Injector (128)

SDI To Fiber Optic Converter (132)

HDMI Over Fiber Optic Extender (123)

DVI Video to Fiber Converter (65)

Fiber Optic Switch (148)

Industrial Ethernet POE Switch (360)

Ethernet POE Switch (91)

SFP Optical Transceiver Module (82)

AHD CVI TVI Over Fiber Converter (37)

Power Over Ethernet Splitter (37)

Ethernet Over Coax Converter (24)

UTP Video Extender (27)

Serial To Fiber Optic Media Converter (23)

Analog Video Multiplexer (14)

Best Products

Mini Converter Optical Fiber 12G-SDI with Reverse RS485 and loop out Single Mode Fiber LC Connector 20KM

Mini Converter Optical Fiber 12G-SDI with Tally and loop out Single Mode Fiber LC Connector 20KM

Mini Type 3G-SDI to Fiber Optic Converter , Full HD Sdi Video Fiber Converter 1080P

China E-link China Technology Co., Ltd. certification

The engineer solved our problem very quick, and the service is very good. Very professional factory.

—— Robert Lichtenstein-Canada

I had no concern, was buying and testing, so equipment is ok. So equipment and logistic is ok, we keep ordering and making business.

—— Anek – Thailand

I'm very satisfied with the media converter received, the OEM order quality is good.

—— Faize Akçaba-Turkey

E-link Sales are very professional, they give me not only product, but also solution. All E-link Fiber Media Converters and PoE Switches works well.

—— Patrícia Maia-Brazil

I'm Online Chat Now

4-Ch 3G-SDI Fiber Converter with Loop Out RS485 Tally Support

Large Image : 4-Ch 3G-SDI Fiber Converter with Loop Out RS485 Tally Support

Product Details:

Place of Origin:	Guangdong, China
Brand Name:	E-link
Certification:	CE, RoHS, FCC, ISO9001
Model Number:	LNK-3GSDI-4V1DT
Document:	2E-link Video Transmission ...og.pdf

Payment & Shipping Terms:

Minimum Order Quantity:	1 pair
Price:	$539-$789
Packaging Details:	3G-SDI Fiber Converter Standard Export Package
Delivery Time:	5-12working days
Payment Terms:	L/C, D/A, D/P, T/T, Western Union, MoneyGram, paypal,Credit Card
Supply Ability:	1000pcs/month

Contact Now

Detailed Product Description

SDI Input:	Input Number: 4	Optics:	Type: Single-mode
Transmission Distance:	20km (Other Distance Optional)	Power Input:	1A@12VDC
SDI Output:	Signal Level: 800mV Nominal	Operating Temperature:	-10℃～＋55℃
Highlight:	4-Channel 3G-SDI Fiber Converter , Tally 3G-SDI Fiber Converter , RS485 3G-SDI Fiber Converter

4-Ch 3G-SDI Fiber Converter with Loop Out RS485 Tally Support

Overview

The LNK-3GSDI-4V1DT Series delivers 4-channel 3G/HD-SDI video transmission with RS485 and

Tally over a single optical fiber. Designed for professional broadcast and production, it supports loop

outputs, automatic reclocking, and uncompressed digital quality. With robust build and up to 20km

transmission, it ensures reliable, low-latency performance for studios, OB vans, and live events.

Features

4-channel 3G/HD-SDI video transmission over one fiber

Supports automatic cable equalization and signal reclocking

Compatible with 3G-SDI camera systems, up to 4Ch loop output

Integrated RS485 data channel (full/half duplex) for control signals

Supports 4-channel Tally for production workflow integration

Non-compressed broadcast-grade video quality

Transmission up to 20km (optional longer distances)

Wide video format support including PAL, NTSC, 720p, 1080i, 1080p

Industrial design with -10℃ to +55℃ operating range

Compact, rack-mountable solution for broadcast and media systems

Technical Indexes

SDI Input	SMPTE 424M, SMPTE 292M, SMPTE 259M, DVB-ASI, DVB-SSI and Telecom/Datacom
	270Mbit/s - 1.48Gbit/s – 3Gbit/s
	Input number: 4
	Reflection loss: >15DB
	Equilibrium: 0-150m @3Gb/s
	Connector: BNC
Optics	Channel: 1
	Type: single-mode
	Transmission distance: 20km (Other distance Optional)
	Reflection loss: > 15dB
	Dithering: < 0.2UI
	Connector: FC/UPC (SC, LC, ST optional)
SDI Output	Output number:4
	Signal level: 800mV nominal
	Rise/fall time: 200ps indication
	Overshoot: < 10% amplitude
	Reflection loss: >15dB
	Dithering: < 0.2UI
	Connector: 75Ω BNC
Data	1Ch RS-485 (full/half duplex) and support NRZ, RZI and Manchester
	Max. 57600bps for RS485
	Connector: Industrial standard screw terminal
	4Ch Tally: A, B , C, D
Power and environmental indication	Operating temperature: -10℃～＋55℃
	Power Input: 1A@12VDC
	EMI/RFI: meet FCC Part 15 Class A, EU EMC standard
	Average time trouble-free: >100000 hours
SDI video format supports	625/25PAL; 525/29.97NTSC; 525/23.98NTSC; 720p50; 720p59.94; 1080P23.98/24/30/50/60; 1080i 23/24/30/50/59.94;
SDI video format supports

Ordering Information

LNK-HDSDI-4V1D4T	4-Ch HD-SDI Video with Loop output + 1Ch backward RS485 + 4Ch Tally, SM 20km, FC, including 1 transmitter & 1 receiver, used by pairs
LNK-3GSDI-4V1D4T	4-Ch 3G-SDI Video with Loop output + backward RS485 + 4Ch Tally, SM 20km, FC, including 1 transmitter & 1 receiver, used by pairs