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Summary of Contents for Cobalt Digital Inc openGear 9251
- Page 1 Cobalt Digital Inc. 9251 1x8 AES/EBU Distribution Amplifier-75 Ohm User Manual CDI Part Number: 9251 V.1.1 9251 Manual V.1.1 10/31/2012...
- Page 2 The material in this manual is furnished for informational use only. It is subject to change without notice and should not be construed as a commitment by Cobalt Digital Inc. Cobalt Digital Inc. assumes no responsibility or liability for errors or inaccuracies that may appear in this manual.
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Page 3: Symbol Meanings
Important Regulatory and Safety Notices Before using this product and any associated equipment, refer to the “Important Safety Instructions” listed below so as to avoid personnel injury and to prevent product damage. Products may require specific equipment, and /or installation procedures be carried out to satisfy certain regulatory compliance requirements. - Page 4 EMC Notices US FCC Part 15 This equipment has been tested and found to comply with the limits for a class A Digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
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Page 5: Environmental Information
To avoid the potential release of those substances into the environment and to diminish the need for the extraction of natural resources, Cobalt Digital Inc. encourages you to use the appropriate take-back systems. These systems will reuse or recycle most of the materials from your end-of-life equipment in an environmentally friendly and health conscious manner. -
Page 6: Functional Block Diagram
Introduction This chapter contains the following sections: • Overview • Functional Block Diagram • Features • Documentation Terms Overview The 9251 is an AES/EBU distribution amplifier designed for broadcast use. It provides eight copies of the incoming signal. The 9251 supports audio sampling frequencies from 30kHz to 192 kHz. Cable equalization and reclocking techniques enable the 9251 to recover the incoming digital audio signal reliably. -
Page 7: Documentation Terms
Features The following features make the 9251 the best solution for digital audio distribution. • Cable equalization and data reclocking on the incoming AES/EBU signal • Supports audio sampling frequencies from 30kHz to 192 kHz • 5 year warranty Documentation Terms The following terms are used throughout this guide: •... -
Page 8: Installation And Setup
Unpack each 9251 you received from the shipping container, and check the contents against the packing list to ensure that all items are included. If any items are missing or damaged, contact your sales representative or Cobalt Digital Inc. directly. -
Page 9: Rear Module Installation
Rear Module Installation Use the following steps to install a rear module in the frame: Refer to the frame product manual to ensure that the frame is properly installed according to instructions. On the rear of the frame, locate the card frame slot. As shown in Figure 2, seat the bottom of the rear module in the seating slot at the base of the frame’s back plane. -
Page 10: Board Installation
Rear Module Options RM20-9251-A RM20-9251-A/S RM20-9251-B/S The rear modules shown below provides the input/output connections shown. Split rear modules (/S) provide connections for two cards in adjacent slots using one rear module. RM20-9251-B/S is available in HD-BNC and DIN1.0/2.3 versions. Note: The RM20-9251-A/S and RM20-9251-B/S rear modules are usable only with the 20-slot frame. -
Page 11: User Controls
User Controls This chapter contains a description of the 9251 user controls: • EQ Switch • LEDs User Controls Lock LED EQ Switch No Lock LED EQ LED COM Activity LED Error LED Figure 3. Card-edge User Controls EQ Switch — SW1 The EQ Switch (SW1) is used to insert the cable equalizer into the incoming AES/EBU signal. - Page 12 LEDs The front-edge of the card features LEDs that display the status of the input signals. As selections are made in the menus, (refer the subsequent chapter for complete menu descriptions), the LEDs display the status of the input signals. Descriptions are provided in the following table: Color Location...
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Page 13: Technical Specifications
30 kHz to 192 kHz Jitter Less than 5 ns GENERAL Power Requirements +12 V, 4Watts, MAX Dimensions 3.025" high x 12.800" deep Weight approx.0.115 kg (0.252 lbs) Cobalt Digital Inc. reserves the right to change performance specifications without prior notice. -
Page 14: Warranty And Service Information
(1) year. Cobalt Digital Inc.'s (“Cobalt”) sole obligation under this warranty shall be limited to, at its option, (i) the repair or (ii) replacement of the product, and the determination of whether a defect is covered under this limited warranty shall be made at the sole discretion of Cobalt. -
Page 15: Ordering Information
Ordering Information Standard Equipment • 9251 AES/EBU Distribution Amplifier 75 Ohm Optional Equipment • 9251-OM AES/EBU Distribution Amplifier 75 Ohm Owner's Manual (additional Owner’s Manual) RM20-9251-A Rear Module 20-Slot Frame Rear I/O Module (Standard Width) 1 AES Input BNC, 8 AES Output BNCs RM20-9251-A/S Rear Module 20-Slot Frame Rear I/O Module (Split) 1 AES Input BNC, 4 AES Output BNCs (per card) RM20-9251-B/S-HDBNC Rear Module 20-Slot Frame Rear I/O Module... - Page 16 217 • 344 • 1245 General Information request@cobaltdigital.com E-MAIL Technical Support request@cobaltdigital.com POSTAL 2406 E. University Ave. Cobalt Digital Inc. Urbana, IL 61802 USA SERVICE Visit Us Please visit us at our website for: • Company information • Related products and full product lines •...
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