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1U Rack-Mountable 8-Channel SD/HD/3G-SDI over Single Fiber CWDM Uncompressed Extender Supports hot swapping and hot plugging

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1U Rack-Mountable 8-Channel SD/HD/3G-SDI over Single Fiber CWDM Uncompressed Extender Supports hot swapping and hot plugging

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Brand Name :E-link
Model Number :LNK-SDI-8V Series
Certification :Iso9001, CE, ROHS, FCC
Place of Origin :China
MOQ :1 pair
Price :US$1,189-US$1,299
Payment Terms :T/T,Western Union,MoneyGram,PayPal
Supply Ability :1000/Month
Delivery Time :1-3 working days
Packaging Details :HDMI Fiber Extender Standard Carton Packaging
Video input/output voltage :Typical:1Vpp, Min 0.5Vpp, Max 1.5Vpp
Physical interface :Industrial standard screw terminal
Frequency/Rate support :Max. 57600bps for RS485
Power consumption :<15W
Storage Temperature :-40℃~+80℃
Transmission distance :550m-20Km
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1U Rack-Mountable 8-Channel SD/HD/3G-SDI over Single Fiber CWDM Uncompressed Extender

Model: LNK-SDI-8V Series


Overview

The LNK-SDI-8V Series is a professional-grade 1U Rack-Mountable 8-Channel SD/HD/3G-SDI
over Single Fiber CWDM Uncompressed Extender, specifically engineered to meet the high-density,
long-distance transmission needs of broadcast, surveillance, and industrial video systems. As a 1U
Rack-Mountable 8-Channel SD/HD/3G-SDI over Single Fiber CWDM Uncompressed Extender, it
adopts a space-efficient 1U rack design—ideal for data centers, broadcast studios, and control rooms
where rack space is valuable, while leveraging Coarse Wavelength Division Multiplexing (CWDM)
technology to optimize single-fiber bandwidth utilization.
This extender supports uncompressed transmission of 8-channel SD/HD/3G-SDI standard high-
definition video signals via a single fiber optical cable, ensuring no loss of video quality during transmission
—critical for applications requiring broadcast-grade visuals. It is equipped with a local SD/HD/3G-SDI
loop output interface, allowing on-site monitoring of video signals to facilitate real-time troubleshooting
and ensure signal integrity before long-distance transmission. The system consists of a dedicated
transmitter and receiver pair, specifically optimized for 1080P 3G-SDI signal transmission, with
backward compatibility for SD-SDI and HD-SDI formats to adapt to diverse legacy and modern video
devices.
Beyond video transmission, the 1U Rack-Mountable 8-Channel SD/HD/3G-SDI over Single Fiber
CWDM Uncompressed Extender integrates multi-signal synchronization capabilities: it can simultaneously
transmit 8-channel SD/HD/3G-SDI video and 1-channel reverse RS-485 data over a single optical fiber.
The reverse RS-485 data channel supports reliable bidirectional communication, enabling remote control
of PTZ cameras, video matrixes, or other RS-485-enabled devices—enhancing operational flexibility in
large-scale video surveillance or broadcast networks.
In terms of performance, the extender delivers video quality that meets strict broadcast industry standards,
with color accuracy, signal stability, and frame rate consistency suitable for live broadcasting, post-production,
and high-end surveillance. Its audio quality reaches CD-level clarity, ensuring synchronized, high-fidelity audio
transmission alongside video signals. The CWDM technology further enables efficient use of fiber resources,
reducing the need for multiple fiber cables and lowering overall infrastructure costs. With its robust multi-signal
support, rack-mountable design, and broadcast-grade performance, this extender is an ideal solution for broadcast
stations, large-scale security surveillance systems, stadium video networks, and industrial video monitoring
platforms requiring high-density, long-distance uncompressed SDI transmission.

Features

8 channel SD/HD/3G-SDI video transmission over optic fiber

Automatic cable equalization to ensure signal integrity

Automatic reclocking 270Mbit/s - 1.48Gbit/s - 3Gbit/s

Directly compatible with 3G-SDI camera systems and support Reverse RS-485 data protocols

Long transmission capability at least 10 km (6.2miles), up to 120 km

Terminal block power input for industrial application

Supports hot swapping and hot plugging

Full digital non-compression broadcast level transmission;

super optic dynamic range and free of adjustment prior to use;

fiber optic WDM/CWDM/DWDM technique;

Real-time status LED indicators for troubleshooting and monitoring

Industry level ultra-broad temperature range, adaptable to various environments;


Technical Indexes

Fiber Optical interface

Fiber interface

Simplex LC

Transmission distance

550m-20Km

Wavelength

1310nm/1550nm

Video

Video interface

BNC

Video input/output impedance

75Ω

Video input/output voltage

Typical:1Vpp, Min 0.5Vpp, Max 1.5Vpp

Video Bits Rate

Max 3.2Gb/s

Differential gain (10%90% APL)

<1%

SDI format support

625/25 PAL

525/29.97 NTSC, 525/23.98 NTSC

720p50, 720p59.94

1080i 23/24/30/50/59.94

1080P 23.98/24/30/50/60

Video SDI standard

270Mbps (SD-SDI), 1.485Gbps/M(HD-SDI)

SMPTE425M3Gb/s Mapping(3G-SDI)

SMPTE424M 3Gb/s serial interface(3G-SDI)

Data

Physical interface

Industrial standard screw terminal

Data type

Reverse RS485

Frequency/Rate support

Max. 57600bps for RS485

BER

<10ˉ9

Electrical

Power adaptor

AC 110~220V

Power consumption

<15W

LED Indicator

SDI A/B/C/D/E/F/G/H

SDI video

PWR

Power Supply

Mechanical

Dimensions (LxWxH)

19inch 1U (483 x 220 x 44.45mm )

Weight

7KG/pair

Casing

Aluminum Case

Mounting Options

Rackmount

Environmental

Working Temperature

-20℃~+70

Storage Temperature

-40℃~+80

Working Humidity

0~95%

MTBF

≥100000 hours


ordering information

Model

Description

LNK-SDI-8V

19" 1U 8-Ch HD-SDI Video with Loop-out, 20km, SM, LC, including 1 transmitter & 1 receiver, used by pairs

LNK-SDI-8V1R

19" 1U 8-Ch HD-SDI Video with Loop-out + 1-Ch RS485 Reverse Data, 20km, SM, LC, including 1 transmitter & 1 receiver, used by pairs

LNK-SDI-8V1A

19" 1U 8-Ch HD-SDI Video with Loop-out + 1-Ch Forward Audio, 20km, SM, LC, including 1 transmitter & 1 receiver, used by pairs

LNK-3GSDI-8V

19" 1U 8-Ch 3G-SDI 1080P Video with Loop-out, 20km, SM, LC, including 1 transmitter & 1 receiver, used by pairs

LNK-3GSDI-8V1R

19" 1U 8-Ch 3G-SDI 1080P Video with Loop-out + 1-Ch RS485 Reverse Data, 20km, SM, LC, including 1 transmitter & 1 receiver, used by pairs

LNK-3GSDI-8V1A

19" 1U 8-Ch 3G-SDI 1080P Video with Loop-out + 1-Ch Forward Audio, 20km, SM, LC, including 1 transmitter & 1 receiver, used by pairs


Application

1U Rack-Mountable 8-Channel SD/HD/3G-SDI over Single Fiber CWDM Uncompressed Extender Supports hot swapping and hot plugging


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