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Table of contents for the manual
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Page 1
9252 M anual V.1 .0 2/2/2009 Cobalt Digital I nc. 9252 1x8 / 1x4 A ES/EBU Distri bution A mplifier - 110 Ohm User Manual CDI Part Num ber: 9252 V.1.0[...]
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2 9252 • • • • 1x8 / 1x4 AE S/EBU Distribution Am plifier - 11 0 Ohm, Use r Manual • Cobalt Digital Part Number: 9252 • Docum ent Version: 1.0 • Printed in the USA. The inform ation contained in this User Manual is subject to c hange without notice or obligation. Copy right © 2009 Cobalt Digital Inc. All rights res erved. Contents of[...]
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3 Important Regula tory and Sa fety Notices Before us ing this product and any ass ociated equipm ent, refer to the “Im portant Safety Instructions” listed below so as to avoid personnel injury and to prevent product dam age. Products m ay require specific equipm ent, and /or installation procedures be car ried out to satisfy certain regulatory[...]
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4 EMC Notices US FCC Part 1 5 This equipm ent has been tested and f ound to com ply with the limits for a class A Digital device, pursuant to part 15 of the F CC Rules. Thes e limits are designed to provide reas onable protection against harm ful interference when the equipment is operated in a com m ercial environm ent. T his equipment generates, [...]
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5 Environmental Information The equipm ent that you purchased requ ired the extraction and use o f natural resou rces for its production. It may contain hazardous substances that could impact health and the environm ent. To avoid the potential release of those s ubstances into the environm ent and to dim inish the need for the extr action of natura[...]
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6 Introduction This chapter contains the following sections: • Overview • Functional Block Diagram • Features • Docum entation Term s Overview The 9252 is an AES/EBU distribution am plifier designed for broadcas t use. It provides eight copies of the incom ing signal. The 9252 suppor ts audio s ampling f requencies f rom 30k Hz to 192 kHz. [...]
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7 Features The f ollowi ng features mak e the 9252 the best solution for digital audio distribution. • Cable equaliz ation and data reclocking on the incom ing AES/EBU signal • Supports audio sam pling frequencies from 30k Hz to 192 kHz • 5 y ear warranty • Fits openGear 8310-C ser ies fram es Documentation Terms The f ollowi ng term s are [...]
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8 Insta llation and Setup This chapter contains the following sections: • Static Discharge • Unpack ing • Rear Module Options • Board Installation Static Dischar ge W henever handling the 9252 and other r elated equipment, please observe all static dischar ge precautions as desc ribed in the followi ng note: ESD Susceptibility Static discha[...]
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9 Rear Module I nstallation If you are installing the card into a slo t with no re ar module, you should have order ed and rec eived one of the RM-9252 -A m odule. You will need to install it in your 8310 frame before you can connect cables. Use the following steps to install a rear module in an 8 310 o penGear TM frame: 1. Refer to the op enGear T[...]
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10 Rear M odule Options This is a drawing of the RM-9252-A r ear module to be used in the 10 slot 8310-C frame only. Figure 3. Rear Module Board Installati on Use the following procedure to install the 9252 in an openGear 8310-C Series fram e. 1. Refer to the Us er Manual of the openGear 8310-C s eries fram e to ensure that the fram e is properly i[...]
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11 User Controls This chapter contains a description of the 9252 user c ontrols: • EQ Switch • LEDs . User Controls L o c k L E D N o L o c k L E D E Q L E D C O M A c t i v i t y L E D E r r o r L E D E Q S w i t c h D 6 2 0 1 A Figure 3. Card-edge User Contr ols EQ Switc h — SW1 The EQ Sw itch ( SW1) is used to insert the cable equaliz er i[...]
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12 LEDs The f ront-edge of the card f eatures LEDs that display the status of the input signals. As selections are m ade in the menus , (refer the subs equent chapter for c omplete m enu descriptions), the LEDs display the status of the input signals. Descriptions are provided in the following table: LED Color Location Display and Description Lock [...]
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13 Specif icati ons Technical Specificat ions DIGITA L INPUT Resolution 24 Bit Input Level 0.2-7 Vp-p Input Im pedance (transf ormer balanced) 75 Ω ,110 Ω , HiZ Sampling Frequency Range 30 k Hz to 192 kHz DIGITA L OUTPUT Resolution 24 Bit Output Level 1 V p-p nominal Output I mpedance 110 Ω balanced Sampling Frequency Range 30 k Hz to 192 kHz[...]
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14 Warr anty and Servic e Infor mation Warranty and Repair Poli cy The openGear 9252 is warranted to be fr ee of any def ect with respec t to perf orm ance, quality, reliability , and work mans hip for a period of FIVE (5) y ears f rom the date of shipment from our factory. In the event that y our openGear 9252 proves to be defective in any way dur[...]
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15 Orderi ng Informat ion Standard E quipment • 9252 AES/EBU Distribution Amplifier 75 Ohm Optional Equi pment • 9252OM AES/EBU Distribution Am plifier 75 Ohm Owner's Manual (additional Owner’s Manual) • RM -9252-A 10-BNC Rear M odule (f or installation into 8310-C fram e only ) Y ou r 92 52 Distribution Am plifier is a part of the ope[...]
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16 Contact Us Contact ou r friendly and professional sup port representativ es for the follow ing: • Nam e and address of your local dealer • Product inform ation and pricing • Technical suppor t • Upcom ing trade show inform ation General Business Office and Technical Support 217 • 344 • 1243 PHONE Fax 217 • 344 • 1245 Sales Inform[...]