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BLK-HDEXT_PQ 

6/15/12

Precautions

• 

Do not open or modify the sender or receiver modules. Changing the unit may damage it or cause it 
to be dangerous. 

• 

Do not open the modules or put any object inside them. Make sure that no metal objects or 
flammable substances get inside the modules .

• 

Be careful when handling the unit. To prevent damage, do not drop the modules or submit it to a 
strong shock or vibration.

• 

Install the both the transmitter and receiver modules away from electric and magnetic fields.

• 

Protect the repeater from humidity and dust. 

• 

Do not install the transmitter or receiver module in a high temperature environment. This may cause 
the internal temperature to rise to a damaging level. 

Usage

WARNING

!

The BLK-HDEXT is Class 1 laser product. Do not view laser light directly with optical instruments.  

1. 

Route a fiber optic cable (single- or multi-mode cable, not provided) with ST terminations between 
the HD-SDI source equipment (camera, etc.) and the HD-SDI receiver equipment (HDcctv DVR, etc.). 

CAUTION

Always handle and install fiber optic cable in accordance with the manufacturer’s instructions. 
Observe all connector cleaning procedures, and cable bend radius requirements.  

2. 

Connect the sender module directly to the HD-SDI video source. For best performance, do not use an 
extender cable or adapter between them. 

3. 

Connect the receiver module directly to your HD-SDI receiver equipment, such as a DVR. 

BLK-HDEXT HDcctv Long Range 

Fiber Optic Sender/Receiver  

Quick Installation Guide

 
Features 

• 

Supports up to 3G-SDI 

• 

Extended up to 6.21 miles @ 1.485 Gbps, 6.21 miles @ 3 Gbps 

• 

Transports Multi-rate HD-SDI digital video over 1 fiber

• 

Latch-locking power connector

• 

HD-SDI BNC and ST fiber optic input/output connectors

• 

Metal die-casting enclosure

• 

Includes 2 - 5 Vdc regulated power adapters 

HD-SDI coax in

HD-SDI coax out

Optical output

Optical input

Fiber optic  

connector 

protective cap

Sender  

module

Receiver  

module

Power connector

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