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Digital Signal Splitter
INSTALLATION AND OPERATION
Applicable Products
DRSS
Signal Splitter for 2048kbits/s ITU G.703 bitstreams
Part Numbers:
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:
Fax:
E-Mail:
Website:
Copyright © 2007 Somerdata Ltd.
DRSS-1080
DRSS-ASSY-0019
E1SS-1080
DRSS-1080
+44 (0)1179 634050
+44 (0)1173 302929
sales@somerdata.com
support@somerdata.com
www.somerdata.com
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Table of Contents
Summary of Contents for Somerdata DRSS-1080
- Page 1 Publication Date 17 August 2007 Published by Somerdata Ltd. 1 Riverside Business Park St Annes Road Bristol BS4 4ED 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 Copyright © 2007 Somerdata Ltd.
- Page 3 1 Riverside Business Park Bristol BS4 4ED United Kingdom Equipment 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.
- Page 4 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.
- Page 5 Digital Signal Splitter SOMERDATA AND THE ENVIRONMENT Introduction SomerData is committed to design and introduce products that conform to applicable environmental legislation and standards. One of our missions is to integrate environmental stewardship into the business of providing quality products, services, and customer support at the best value.
- Page 6 DRSS-1080 Digital Signal Splitter Restriction of Use of Hazardous Substances (RoHS) Somerdata has also established a RoHS qualification process to help ensure that products meet stringent reliability and quality requirements, as well as regulatory compliance requirements. maximum allowable hazardous substance homogeneous material level under the EU RoHS Directive is shown in the following table.
- Page 7 W aste Electrical & Electronic Equipment (WEEE) 5 4 B 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...
- Page 8 DRSS-1080 Digital Signal Splitter Revision History Issue Date Notes July 2011 Part number change, contact address update 17 Aug 2007 Initial Issue Installation and Operation...
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Page 9: Table Of Contents
DRSS-1080 Digital Signal Splitter CONTENTS INTRODUCTION ’ S IN THIS UIDE UIDE VAILABILITY PRODUCT DESCRIPTION NTRODUCTION PLITTER INPUT/OUTPUT CONNECTIONS NTRODUCTION IGNAL NPUT UTPUT IGNAL ATHS ANEL CONTROLS AND INDICATORS NTRODUCTION RONT ANEL ANEL OWER IGNAL AC P OWER WITCH OPERATION... - Page 10 DRSS-1080 Digital Signal Splitter ULSE WIDTH NPUT JITTER TOLERANCE NPUT SOLATION ONNECTORS POWERED PERFORMANCE UTPUT TREAMS IGNAL NTERFACE UTPUT MPEDANCE ULSE WIDTH UTPUT JITTER ATTENUATION NPUT TO UTPUT ELAY UTPUT SOLATION ONNECTORS HYSICAL HASSIS IMENSIONS EIGHT NVIRONMENTAL EMPERATURE ELATIVE UMIDITY...
- Page 11 DRSS-1080 Digital Signal Splitter INDEX Installation and Operation...
- Page 12 DRSS-1080 Digital Signal Splitter This page intentionally blank Installation and Operation...
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Page 13: Introduction
’ S IN THIS UIDE UIDE VAILABILITY What’s in this User Guide This User Guide covers SomerData’s DRSS-1080/E1SS-1080 Digital Signal Splitter for 2048kbits/s ITU G.703 bitstreams. Section 2 – PRODUCT DESCRIPTION gives an overview of your unit’s capabilities and features. -
Page 14: User Guide Availability
Programmer’s Reference Guide can be supplied on request. 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. -
Page 15: Product Description
DRSS-1080 Digital Signal Splitter 2. PRODUCT DESCRIPTION In this Section NTRODUCTION PLITTER Introduction DRSS/E1SS product range comprises a 1:8 Splitter, 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 &... - Page 16 DRSS-1080 Digital Signal Splitter 1 x 8 Splitter DRSS/E1SS Splitter provides a means of non-intrusively monitoring or recording DAB Ensemble Transport Interface (ETI) bitstreams without loading the original signals. The 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.
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Page 17: Input/Output Connections
DRSS-1080 Digital Signal Splitter 3. INPUT/OUTPUT CONNECTIONS In this Section NTRODUCTION IGNAL NPUT UTPUT IGNAL ATHS ANEL Source Output Introduction Input and Output connections are via BNC connectors on the unit’s rear panel. Installation and Operation... - Page 18 DRSS-1080 Digital Signal Splitter Signal Input/Output Signal Paths Original Source Stream Input and Bypass Connectors G.703 Interface Digital Splitter G.703 Interfaces Output Connectors Slave Output Streams Installation and Operation...
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Page 19: Rear Panel
DRSS-1080 Digital Signal Splitter Rear Panel Source Original 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. - Page 20 DRSS-1080 Digital Signal Splitter This page intentionally blank Installation and Operation...
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Page 21: Controls And Indicators
DRSS-1080 Digital Signal Splitter 4. CONTROLS AND INDICATORS In this Section NTRODUCTION RONT ANEL ANEL OWER IGNAL AC P OWER WITCH Introduction Front panel LED indicators provide status display of power and input signal presence. Front Panel Rear Panel Installation and Operation... -
Page 22: Power
DRSS-1080 Digital Signal Splitter 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. Installation and Operation... -
Page 23: Operation
DRSS-1080 Digital Signal Splitter 5. OPERATION In this Section NTRODUCTION OURCE TREAM ERMINATION Pass-Through Local Termination UTPUTS UTPUT ERMINATION Installation and Operation... -
Page 24: Introduction
DRSS-1080 Digital Signal Splitter Introduction SIgnal connections are made through BNC connectors. Original Source Stream Input and Bypass Connectors G.703 Interface Digital Splitter G.703 Interfaces Output Connectors Slave Output Streams Installation and Operation... -
Page 25: Source Stream
DRSS-1080 Digital Signal Splitter Source Stream Two parallel connectors are provided for the original (source) Stream. One connector can be used as the input and the other as a pass-through output. The design ensures that there is no interruption of the source bitstream when the Splitter is unpowered. -
Page 26: Outputs
DRSS-1080 Digital Signal Splitter Pass-Through Input Output Termination at input of receiving device Local Termination Input Terminator 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. -
Page 27: Specifications
DRSS-1080 Digital Signal Splitter 6. SPECIFICATIONS In this Section NPUT TREAM IGNAL NTERFACE NPUT MPEDANCE IGNAL MPLITUDE ULSE WIDTH NPUT JITTER TOLERANCE NPUT SOLATION ONNECTORS POWERED PERFORMANCE Crosstalk Residual output Input signal loading UTPUT TREAMS IGNAL NTERFACE UTPUT MPEDANCE ULSE WIDTH... -
Page 28: Input Stream
DRSS-1080 Digital Signal Splitter ONNECTOR 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 with supplied external terminator fitted to the parallel (bypass) connector Signal Amplitude Operating: ±2.37V ±10% nominal to -12dB... -
Page 29: U N - Powered Performance
DRSS-1080 Digital Signal Splitter 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 Installation and Operation... -
Page 30: Output Streams
DRSS-1080 Digital Signal Splitter Output Streams Signal Interface 2,048 kbits/s ETI or STI compatible with ITU G.703 Line Code HDB3 Output Impedance Pulse width 244 ns nominal Output jitter attenuation 10dB/decade from 10Hz Meets the requirements of ITU G.736 and I.431... -
Page 31: Physical
DRSS-1080 Digital Signal Splitter 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... - Page 32 DRSS-1080 Digital Signal Splitter This page intentionally blank Installation and Operation...
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Page 33: Support
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, modify or otherwise repair the product will invalidate the SomerData warranty and may result in the product being left in an irreparable condition. -
Page 34: If You Need Support
SomerData product is covered by warranty, extended warranty or maintenance contract. At SomerData, we will make our best efforts to provide prompt and friendly support by phone, fax and e-mail. However, please do not expect us to be magicians or mind-... -
Page 35: Support Requests
DRSS-1080 Digital Signal Splitter Support Requests When contacting SomerData for support, please provide as much information as possible about the problem or issue for which you require assistance. We will be able to deal with your request more efficiently if you... -
Page 36: Returns
DRSS-1080 Digital Signal Splitter Returns Please do not return any products to SomerData without first contacting SomerData and obtaining a Return Merchandise Authorisation (RMA) Number. This will ensure that the processing of any repair or upgrade is handled efficiently and in accordance with any agreed action. -
Page 37: End-Of-Life Disposal
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. - Page 38 DRSS-1080 Digital Signal Splitter This page intentionally blank Installation and Operation...
- Page 39 DRSS-1080 Digital Signal Splitter 8. INDEX AC Power Switch ................ 4-2 Controls and Indicators ............... 4-1 AC Power Switch ..............4-2 Front Panel ................4-1 Introduction ................4-1 Power Indicator ............... 4-2 Rear Panel ................4-1 Signal Indicator ............... 4-2 Customer Support ..............
- Page 40 DRSS-1080 Digital Signal Splitter Pass-Through Input Connection ..........5-4 Physical specifcations ..............6-5 Power Indicator ................4-2 Power specifications ..............6-5 Product 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 ..........
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