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DRSS-1080

 

Digital Signal Splitter

 

Installation and Operation 

6-2 

C

ONNECTOR

 

6-5

 

 

Input Stream 

Signal Interface 

2,048 kbits/s ETI or STI compatible with ITU G.703 

Line Code 

HDB3 

Input Impedance 

40 k  without supplied external terminator 
75   with supplied external terminator fitted to the parallel 
(bypass) connector 

Signal Amplitude 

Operating: 

±2.37V ±10% nominal to -12dB 

Absolute Maximum: 

-5V (lower limit) 
+5V (upper limit) 

Pulse width 

230 ns to 260 ns 

Input jitter tolerance 

14UI @ 750Hz 
0.4UI, 10kHz to 100kHz 

Input Isolation 

Transformer coupled 
1500V RMS AC breakdown 

Connectors 

Two BNC connectors hard-wired in parallel. 
All signal connections should all be made with 75   coaxial 
cable.  A recommended cable type is RG179B/U. 

Summary of Contents for DRSS-1080

Page 1: ...703 bitstreams Part Numbers DRSS ASSY 0019 E1SS 1080 DRSS 1080 Document Reference DRSS MAN R119 Publication Date 17 August 2007 Published by Somerdata Ltd 1 Riverside Business Park St Annes Road Bristol BS4 4ED UK Sales Customer Support Phone 44 0 1179 634050 Fax 44 0 1173 302929 E Mail sales somerdata com support somerdata com Website www somerdata com ...

Page 2: ......

Page 3: ...ipment description Digital Signal Splitter Model DRSS 1080 E1SS 1080 Conforms to the following Product Specifications Safety IEC 950 EMC 89 336 EEC EN55022 Harmonised Standard The product complies with the requirements of the Electromagnetic Compatibility Directive 89 336 EEC as amended and the Low Voltage Directive 73 23 EEC and carries the CE marking accordingly Signed Position Technical Directo...

Page 4: ...sponsibility for any inaccuracies that may be contained in this publication In no event will SomerData be liable for direct indirect special exemplary incidental or consequential damages resulting from any defect or omission in this manual even if advised of the possibility of such damages In the interest of continued product development SomerData reserves the right to make improvements in this pu...

Page 5: ...portance of meeting our environmental obligations in the design manufacture and suport of our products We have developed a broad appreciation of the impact of these directives on our entire business model from technical processes for materials to finished goods manufacturing Current Compliance Activities The Company s current environmental compliance commitment has been structured to meet the foll...

Page 6: ...mpliance requirements The maximum allowable hazardous substance at a homogeneous material level under the EU RoHS Directive is shown in the following table From 1st July 2006 all SomerData manufactured products used lead free soldering Substances Maximum Concentration Values ppm Lead and its compounds 1000 Mercury and its compounds 1000 Hexavalent Chromium Cr 6 1000 Cadmium and its compounds 100 P...

Page 7: ...e Electrical Electronic Equipment WEEE Somerdata products may be recycled free of charge in the UK at any local authority recycling centre as long as the SomerData logo appears on the product and the following WEEE producer registration number is quoted WEE HA0074UR PRO ...

Page 8: ...DRSS 1080 Digital Signal Splitter Installation and Operation Revision History Issue Date Notes 2 July 2011 Part number change contact address update 1 17 Aug 2007 Initial Issue ...

Page 9: ...ONS 3 1 INTRODUCTION 3 1 SIGNAL INPUT OUTPUT SIGNAL PATHS 3 2 REAR PANEL 3 3 BNC 3 3 3 PIN IEC 3 3 4 CONTROLS AND INDICATORS 4 1 INTRODUCTION 4 1 FRONT PANEL 4 1 REAR PANEL 4 1 POWER 4 2 SIGNAL 4 2 AC POWER SWITCH 4 2 5 OPERATION 5 1 INTRODUCTION 5 2 SOURCE STREAM 5 3 TERMINATION 5 3 OUTPUTS 5 4 OUTPUT TERMINATION 5 4 6 SPECIFICATIONS 6 1 INPUT STREAM 6 2 SIGNAL INTERFACE 6 2 LINE CODE 6 2 INPUT I...

Page 10: ... 6 4 INPUT TO OUTPUT DELAY 6 4 OUTPUT ISOLATION 6 4 CONNECTORS 6 4 PHYSICAL 6 5 CHASSIS 6 5 DIMENSIONS 6 5 WEIGHT 6 5 ENVIRONMENTAL 6 5 TEMPERATURE 6 5 RELATIVE HUMIDITY 6 5 POWER 6 5 SUPPLY 6 5 CONNECTOR 6 5 7 SUPPORT 7 1 IN THIS SECTION 7 1 WHAT TO DO IF YOU HAVE A PROBLEM 7 1 SERVICING MAINTENANCE AND REPAIRS 7 1 IF YOU NEED SUPPORT 7 2 SOMERDATA CONTACT INFORMATION 7 2 SUPPORT REQUESTS 7 3 RET...

Page 11: ...DRSS 1080 Digital Signal Splitter Installation and Operation 8 INDEX 8 1 ...

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Page 13: ...SCRIPTION gives an overview of your unit s capabilities and features Section 3 INPUT OUTPUT CONNECTIONS provides details of connectors and pinouts Section 4 CONTROLS AND INDICATORS provides details of connectors and pinouts Section 5 OPERATION describes switch and indicator functions signal input output paths and diagnostics Section 6 SPECIFICATIONS describes the unit s technical parameters Sectio...

Page 14: ... Please contact your local supplier or SomerData for ordering details Electronic copies Adobe Acrobat files are included on the SomerData CD ROM that is supplied with the original products The electronic User Guide library which also includes product data sheets can be accessed by browsing the Documents folder for the required document Additional and updated copies of the CD ROM can be supplied on...

Page 15: ...plitter 4 1 Switch and programmable 4 x 4 Router for 2048kbits s ITU G 703 bitstreams Typical applications include the distribution monitoring and recording of DAB DMB Multiplex bitstreams E1 G 703 bitstream duplication for backup or monitoring All DRSS E1SS models support DAB DMB ETI and STI bitstreams that are compatible with ITU G 703 The units are AC powered and supplied in 1U rackmount cases ...

Page 16: ...source bitstream connection is made through one of two BNC connectors that are hard wired in parallel This means that the source bitstream passes through the Splitter without any in line curcuitry or delay Monitoring and recording equipment can be connected or disconnected or power can be removed from the unit without disturbing the source bitstream Front panel LED indicators provide status displa...

Page 17: ...ration 3 1 3 INPUT OUTPUT CONNECTIONS In this Section INTRODUCTION 3 1 SIGNAL INPUT OUTPUT SIGNAL PATHS 3 2 REAR PANEL 3 3 BNC 3 3 Source 3 3 Output 3 3 3 PIN IEC 3 3 Introduction Input and Output connections are via BNC connectors on the unit s rear panel ...

Page 18: ...Signal Splitter Installation and Operation 3 2 Signal Input Output Signal Paths Original Source Stream Slave Output Streams G 703 Interfaces G 703 Interface Output Connectors Input and Bypass Connectors Digital Splitter ...

Page 19: ...ginal stream two connectors allow for a pass through connection If there is no pass through connection the supplied external 75 Ω terminator must be fitted to the unused Source connector Output Slave streams eight identical output streams are replicas of the Source stream 3 pin IEC AC Power ...

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Page 21: ...ion 4 1 4 CONTROLS AND INDICATORS In this Section INTRODUCTION 4 1 FRONT PANEL 4 1 REAR PANEL 4 1 POWER 4 2 SIGNAL 4 2 AC POWER SWITCH 4 2 Introduction Front panel LED indicators provide status display of power and input signal presence Front Panel Rear Panel ...

Page 22: ...nal Splitter Installation and Operation 4 2 Power Green Power on both indicators must be lit Signal Green Input signal detected AC Power Switch The AC Power switch is located adjacent to the AC power inlet on the rear panel ...

Page 23: ...0 Digital Signal Splitter Installation and Operation 5 1 5 OPERATION In this Section INTRODUCTION 5 2 SOURCE STREAM 5 3 TERMINATION 5 3 Pass Through 5 4 Local Termination 5 4 OUTPUTS 5 4 OUTPUT TERMINATION 5 4 ...

Page 24: ... Installation and Operation 5 2 Introduction SIgnal connections are made through BNC connectors Original Source Stream Slave Output Streams G 703 Interfaces G 703 Interface Output Connectors Input and Bypass Connectors Digital Splitter ...

Page 25: ... pass through output The design ensures that there is no interruption of the source bitstream when the Splitter is unpowered Termination For compatibility with ITU G 703 specifications streams should be terminated with a 75 load The input is internally terminated with 40 k hence the need to use the supplied external 75 terminator on the unused Source connector when a down stream device is not conn...

Page 26: ...ion Outputs Slave output streams can be connected or disconnected without disturbing the source bitstream Output Termination For compatibility with ITU G 703 specifications streams should be terminated with a 75 load Input Output 75 Termination at input of receiving device Input 75 Terminator ...

Page 27: ...2 INPUT ISOLATION 6 2 CONNECTORS 6 2 UN POWERED PERFORMANCE 6 3 Crosstalk 6 3 Residual output 6 3 Input signal loading 6 3 OUTPUT STREAMS 6 4 SIGNAL INTERFACE 6 4 LINE CODE 6 4 OUTPUT IMPEDANCE 6 4 PULSE WIDTH 6 4 OUTPUT JITTER ATTENUATION 6 4 INPUT TO OUTPUT DELAY 6 4 OUTPUT ISOLATION 6 4 CONNECTORS 6 4 PHYSICAL 6 5 CHASSIS 6 5 DIMENSIONS 6 5 WEIGHT 6 5 ENVIRONMENTAL 6 5 TEMPERATURE 6 5 RELATIVE ...

Page 28: ...ternal terminator fitted to the parallel bypass connector Signal Amplitude Operating 2 37V 10 nominal to 12dB Absolute Maximum 5V lower limit 5V upper limit Pulse width 230 ns to 260 ns Input jitter tolerance 14UI 750Hz 0 4UI 10kHz to 100kHz Input Isolation Transformer coupled 1500V RMS AC breakdown Connectors Two BNC connectors hard wired in parallel All signal connections should all be made with...

Page 29: ...Digital Signal Splitter Installation and Operation 6 3 Un powered performance Applies to the pass though connection Crosstalk Better than 64dB Residual output Better than 35dB Input signal loading Less than 0 1dB ...

Page 30: ... 244 ns nominal Output jitter attenuation 10dB decade from 10Hz Meets the requirements of ITU G 736 and I 431 Input to Output Delay Minimum 1 µs Maximum 16 µs Typical 8 µs Output Isolation Transformer coupled 1500V RMS AC breakdown Connectors Eight BNC connectors carry identical output streams All signal connections should all be made with 75 coaxial cable A recommended cable type is RG179B U ...

Page 31: ...d Operation 6 5 Physical Chassis 1U rackmount case Dimensions 482 mm w x 44 mm h x 105 mm d Weight 1 6kg Environmental Temperature 0 C to 70 C Relative Humidity 5 to 95 non condensing Power Supply 85V 264V 47Hz 63Hz universal input Connector IEC 3 pin ...

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Page 33: ...f you have a problem Firstly please ensure that you have followed the installation connection and operation instructions in the appropriate User Guide Also check the Troubleshooting section where appropriate to eliminate common problems Servicing Maintenance and Repairs Please contact your supplier or SomerData for all questions relating to maintenance and repairs Any unauthorised attempt to open ...

Page 34: ...mpt and friendly support by phone fax and e mail However please do not expect us to be magicians or mind readers Diagnosing a problem will require your co operation and we expect you to provide a detailed description of the problem in the form of a detailed Fault Report SomerData Contact Information Address Somerdata Limited 1 Riverside Business Park St Annes Road Bristol BS4 4ED UK Phone UK 01179...

Page 35: ...es Diagnostics information if available Sequence of events actions or other circumstances that triggered the problem How you are able to identify that there is a problem How you have been able to measure log or otherwise display the problem Details of the host PC if appropriate including operating system hardware configuration other hardware devices e g additional PCI cards other software applicat...

Page 36: ...al packaging If the original packaging is not available it must be packed in such a way to avoid transit damage Damage sustained in transit is not covered under warranty Returned goods should be accompanied by documentation that indicates the RMA Number along with a detailed fault report and contact details name organisation phone fax and e mail Mark the RMA Number on the outside of the package Sh...

Page 37: ...ided that the product is free from radiation or biological contaminants and that no other legislation forbids the return Waste of Electrical Electronic Equipment WEEE Somerdata products may be recycled free of charge at any local authority recycling centre as long as the SomerData logo appears on the product and the following WEEE producer registration number is quoted WEE HA0074UR PRO ...

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Page 39: ...upport 7 1 End of life disposal 7 5 Environmental specifications 6 5 Index 8 1 Input Connections 3 1 Input Stream 6 2 Input Output Connections Rear Panel 3 3 Input Output Signal Paths 3 2 Introduction 1 1 Local Termination 5 4 Operation 5 1 Introduction 5 2 Outputs 5 4 Source Stream 5 3 Termination 5 3 Local Termination 5 4 Output Termination 5 4 Pass Though 5 4 Output Connections 3 1 Output Strea...

Page 40: ...ct Description 2 1 1 x 4 Splitter 2 2 Introduction 2 1 3 1 Product Support 7 1 Signal Indicator 4 2 Signal Input Output Data Paths 3 2 Source Stream 5 3 Specifications 6 1 Environmental 6 5 Input Stream 6 2 Output Streams 6 4 Physical 6 5 Power 6 5 Support 7 1 End of life disposal 7 5 WEEE 7 5 Termination 5 3 User Guide Availability 1 2 WEEE 7 5 What s in this User Guide 1 1 ...

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