Related Manuals for Cobalt Digital Inc 9253
Summary of Contents for Cobalt Digital Inc 9253
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Page 1: User Manual
9253 Dual 1 x 4 AES/EBU Distribution Amplifier-75 Ohm with SRC User Manual CDI Part number: 9253 V1.2 9253 Manual V1.2 1/30/2014... - Page 2 9253 • • • • Dual 1 x 4 AES/EBU Distribution Amplifier-75 Ohm with SRC, User Manual • Cobalt Digital Part Number: 9253 • Document Version: 1.2 (Jan 2014) • Printed in the USA. The information contained in this User Manual is subject to change without notice or obligation.
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Page 3: Important Safety Instructions
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 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.
- Page 5 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 Documentation Terms Overview The 9253 is a Dual AES/EBU distribution amplifier designed for broadcast use. It can provide four copies of each incoming signal. It may also be used to provide up to eight outputs that are sample rate converted.
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Page 7: Functional Block Diagram
NO LOCK ERROR Figure 1. Simplified Block Diagram of the 9253 Functions Features The following features make the 9253 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 •... -
Page 8: Installation And Setup
Unpacking Unpack each 9253 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
If you are installing the card into a slot with no rear module, you should have ordered and received an appropriate 9253 rear module. You will need to install it in your frame before you can connect cables. Use the following steps to install a rear module in the frame: On the rear of the frame, locate the card frame slot. - Page 10 Rear Module Options All connections are 75 Ohms. Rear module RM20-9253-A uses BNC type connectors. Rear modules RM20-9253-A/S, RM20-9253-B/S-DIN and RM20-9253-B/S-HDBNC are “split” rear modules that accommodate 2 cards per rear module in adjacent slots. The –B/S module is available with DIN 1.0/2.3 or HD-BNC connectors.
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Page 11: Board Installation
1. Refer to the frame User Manual to ensure that the frame is properly installed according to instructions. 2. After selecting the desired frame installation slot, hold the 9253 card by the edges and carefully align the card edges with the slots in the frame. Then fully insert the card into the frame until the rear connection plugs are properly seated on the midplane and rear module. -
Page 12: User Controls
User Controls This chapter contains a description of the 9253 user controls: • EQ Switch • LEDs • DIP Switch Settings • Remote Control User Controls Figure 3. Card-edge User Controls... - Page 13 The EQ Switches (SW1 and SW2) are used to insert the cable equalizer into the incoming AES/EBU signal. The 9253 can recover digital audio signals conforming to AES/EBU specifications and transmitted over 75ohm, coaxial cable, up to 600 metres (2000 ft) long without equalization. For cable lengths in excess of 600 metres, we recommend that the input equalization be activated.
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Page 14: Dip Switch Settings
DIP Switch Settings... -
Page 15: Remote Control
This card may be monitored or controlled by a remote computer through DashBoard the free configuration monitoring software available to openGear users. With DashBoard installed on your computer the following menus are available when interrogating a 9253 card: MENU ITEM... -
Page 16: Aes Input
AES INPUT 1 MENU ITEM BUTTON SELECTION DESCRIPTION Card Equalizer Enabled Equalizer is on to assist in recovering signals over long cable runs Settings Disabled Cable equalizer is turned off (Button selection) Tone Enabled Tone generator for 1 turned on Generator Disabled Tone generator for... -
Page 17: 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 18 (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.
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Page 19: Ordering Information
RM20-9253-A 20-Slot Frame Rear I/O Module (Standard Width) 2 AES Input BNCs, 8 AES Output BNCs RM20-9253-A/S 20-Slot Frame Rear I/O Module (Split) AES IN 1 Input BNC, 4 AES DA Output BNCs (connections are per card) RM20-9253-B/S-HDBNC 20-Slot Frame Rear I/O Module (Split, High Density) 2 AES Input BNCs, 8 AES Output BNCs (connections are per card;... - Page 20 217 • 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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