EverFocus Cable Box EHA SRX User Manual

EHA-SRX  
HD-SDI to HDMI Converter  
User’s Manual  
Copyright © EverFocus Electronics Corp,  
Release: Mar. 2011  
 
EHA-SRX  
1. INTRODUCTION  
The EHA-SRX accepts the HD-CCTV digital video signal from an HD-SDI compliant HD-CCTV  
camera, and coverts the signal for presentation on the HDMI input of an HD TV or monitor. The  
converter supports HD-SDI video signals compliant with the SMPTE 292M, 296M standards, at  
data rates up to 1.485Gb/s. With integrated cable equalizer technology, the EHA-SRX is  
capable of receiving HD-SDI digital video at up to 1920 x 1080 resolution over 75coaxial  
cable. This provides a complete solution for the transmission and display of both interlaced and  
progressive scan HD-SDI digital video from coaxial cable-based HD-CCTV cameras.  
2. FEATURES  
Accepts HD-CCTV high-definition HD-SDI digital video at 720p/60, 1080i/60 and  
1080p/30 formats/ frame rates  
Processes HD-SDI standard SMPTE292M, 296M at 1.485Gb/s data rate  
Provides standard HDMI output for HD TV monitor display  
Integrated cable equalizer for long distance video transmission without loss of quality  
Capable of receiving HD-CCTV digital video over 75coaxial cable at distances over  
100M (depending on cable type)  
High quality digital video and audio transmission with near zero latency  
3
 
EHA-SRX  
3. SPECIFICATIONS  
Model Name  
Technical  
EHA-SRX HD-SDI to HDMI Converter  
SDI Standards  
Video Bandwidth  
HD-SDI  
1.485Gbps  
Video Support  
720p @50/59.94/60Hz, 1080i @50/59.94/60Hz, 1080p @25/30Hz  
Input Signal  
HD-SDI: SMPTE 292M, 296M  
Output Signal  
Input Connector  
HDMI /HD-SDI  
1x BNC [HD-SDI] 3G 75inter-locked socket  
1x HDMI Type A [19-pin female] ; 1x BNC [HD-SDI] 3G 75Ω  
inter-locked socket  
Output Connector  
Mechanical  
Housing  
Metal case  
Dimensions  
Weight  
77 (W) x 38 (H) x 117 (D) mm / 3” (W) x 1.5” (H) x 4.6” (D)  
200g / 0.45lbs  
12VDC  
Power Supply  
Power Consumption  
2 W max.  
Operation Temperature 0~50°C / 32~122°F  
Relative Humidity (20%~80% Humidity)  
4. PACKAGE CONTENTS  
- HD-SDI to HDMI Converter (x1)  
- Accessory packet (x1)  
- Power adaptor (x1)  
- Printed Installation Guide (x1)  
4
 
EHA-SRX  
5. FRONT PANEL  
1
2
4
3
1. Power LED indicator  
2. Link LED indicator  
3. Power 12VDC  
4. HD-SDI Input  
6. REAR PANEL  
5
6
5. HDMI Output  
6. HD-SDI Output  
5
 
EHA-SRX  
7. CABLE REQUIREMENTS FOR BNC CONNECTOR  
7.1 Cable Types  
The EHA-SRX allows a total signal attenuation of up to 43.5 dB along the cable between  
devices. The actual maximum cable length depends on the attenuation characteristic of the  
particular cable used. Generally speaking, the better the cable quality, the lower the signal  
attenuation, thus the longer the distance the HD-CCTV video signal can be carried.  
The following table gives examples of different cable types, losses and the distances that can  
be achieved. These are only examples and the actual distance is determined by the attenuation  
characteristic of the cable in your application.  
The table below gives an orientation for achievable cable distances:  
Cable Type  
Attenuation in dB at 1  
GHz per 100 m / 328 ft  
Max. Cable distance in  
m
ft  
RG-59  
24 ~ 40 *  
15 ~ 35 *  
8 ~ 16 *  
70 ~ 160  
230~520  
330~620  
590~<820  
RG-6  
RG-11, CATV-lowloss  
cables  
100 ~ 190  
180 ~< 250  
* Low quality cable may have higher attenuation  
7.2 Cable Installation  
Please make sure, that the coaxial cable is not squeezed at any position.  
Also the max. bending radius defined by the cable manufacturer should be considered.  
General rule: maximum bending radius = 10 x outer cable diameter  
Bending creates pressure on the center conductor, causing it to move through the dielectric  
toward the inside of the bend. This affects impedance and return loss and reduces the  
maximum possible cable length.  
Please try to avoid any BNC - adapter or any connectors in the BNC cable.  
Looping HD-SDI signals by BNC T-connectors to other devices is not possible.  
6
 
EHA-SRX  
7.3 BNC-plug  
Also the BNC - plug plays an important role for clear HD-CCTV signal transmission.  
Standard BNC plugs for CCTV have a quite high attenuation and may cause return losses due  
to reflection effects.  
We recommend using of HD-Video approved BNC plugs.  
7
 
EHA-SRX  
EverFocus Electronics Corp.  
EverFocus Taiwan:  
EverFocus Europe - Germany:  
12F, No.79, Sec. 1, Shin-Tai Wu Road,  
Hsi-Chih, Taipei, Taiwan  
TEL: +886 2 2698 2334  
Albert-Einstein-Strasse 1, D-46446  
Emmerich, Germany  
TEL: +49 2822 93940  
FAX: +49 2822 939495  
FAX: +886 2 2698 2380  
EverFocus China - Beijing:  
Room 609, Technology Trade Building,  
Shangdi Information Industry Base,  
Haidian District, Beijing 100085, China  
TEL: +86 10 6297 3336~39  
EverFocus China - Shenzhen:  
4F, No. 2, D4 Building, Wan Yelong Industrial Park,  
Tangtou Road, Shiyan, Baoan, Shenzhen, Guangdong  
518101, China  
TEL: +86 755 2765 1313  
FAX: +86 10 6297 1423  
FAX: +86 755 2765 0337  
EverFocus USA - California:  
EverFocus USA - New York:  
1801 Highland Avenue, Unit A, Duarte, CA 91010, USA 415 Oser Avenue, Unit S, Hauppauge, NY 11788, USA  
TEL: +1 626 844 8888  
FAX: +1 626 844 8838  
TEL: +1 631 436 5070  
FAX: +1 631 436 5027  
EverFocus Japan:  
EverFocus Europe - UK:  
5F, Kinshicho City Building, 2-13-4  
Koto-Bashi,Sumida-Ku, Tokyo, 130-0022, Japan  
TEL: +81 3 5625 8188  
Unit 12, Spitfire Business Park, Hawker Road,  
Croydon Surrey, CR0 4WD, UK  
TEL: +44 20 8649 9757 / +44 845 430 9999  
FAX: +44 20 8649 9907  
FAX: +81 3 5625 8189  
EverFocus India:  
Suite 803, Housefin Bhavan, C-21, Bandra Kurla  
Complex, Bandra (East), Mumbai 400051, India  
TEL: +91 22 6128 8700  
FAX: +91 22 6128 8705  
Ihr EverFocus Produkt wurde entwickelt  
und hergestellt mit qualitativ  
hochwertigen Materialien und  
Komponenten, die recycelt und wieder  
verwendet werden können.  
Dieses Symbol bedeutet, dass  
elektrische und elektronische Geräte am  
Ende ihrer Nutzungsdauer vom  
Hausmüll getrennt entsorgt werden  
sollen.  
Bitte entsorgen Sie dieses Gerät bei  
Ihrer örtlichen kommunalen  
Sammelstelle oder im Recycling Centre.  
Helfen Sie uns bitte, die Umwelt zu  
erhalten, in der wir leben!  
Your EverFocus product is designed  
and manufactured with high quality  
materials and components which can  
be recycled and reused.  
This symbol means that electrical and  
electronic equipment, at their  
end-of-life, should be disposed of  
separately from your household waste.  
Please, dispose of this equipment at  
your local community waste  
collection/recycling centre.  
In the European Union there are  
separate collection systems for used  
electrical and electronic product.  
Please, help us to conserve the  
environment we live in!  
P/N: 4605X1EHAS001AR_Ver.C  
 

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