Summary of Contents for IRT AAC-3390
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Page 1: User Manual
AAC-3390 Analogue Stereo to AES Audio Converter User Manual I.R.T. Communications Pty Ltd | www.irtcommunications.com Revision 04... -
Page 2: Revision History
AAC-3390 ANALOGUE STEREO TO AES AUDIO CONVERTER Revision History: Revision Date Change Description Applicable to: 01/02/2001 IRT border page added for PDF format. S/N ≥ 9911001 01/02/2001 00COMMON.doc file contents added. S/N ≥ 9911001 25/07/2002 Links updated. S/N ≥ 9911001 30/03/2016 Circuit description removed. -
Page 3: Table Of Contents
AAC-3390 USER MANUAL Table of Contents: Section Page Revision History Operational Safety General Description Technical Specifications Configuration Link settings Potentiometer settings Installation Signal Connections Selection of Internal or External Clock Reference Front and rear layouts Maintenance & Storage Warranty & Service This instruction book applies to units with serial number ≥... -
Page 4: Operational Safety
AAC-3390 OPERATIONAL SAFETY WARNING Operation of electronic equipment involves the use of voltages and currents that may be dangerous to human life. Note that under certain conditions dangerous potentials may exist in some circuits when power controls are in the OFF position. -
Page 5: General Description
AES reference and overflow at 0 dBFS corresponding to the +24 dBu full scale input audio level. The AAC-3390 is designed to fit the IRT range of Eurocard mounting frames, including the 12 or 10 slot 3 RU and 2 slot 1 RU rack mounting frames. -
Page 6: Technical Specifications
Removable screw terminal blocks. Other: Temperature range 0 - 50° C ambient. Mechanical Suitable for mounting in IRT 19" rack chassis with input, output and power connections on the rear panel. Finish: Front panel Grey background, black lettering & red IRT logo. -
Page 7: Configuration
AAC-3390 CONFIGURATION Link settings: NOTE: Links LK6 and LK15 must both be set to the same setting, that is both OUT or both IN. LK6 + LK15 OUT Lock AES output to external AES reference (if present). Lock AES output to internal 48 kHz clock reference. -
Page 8: Installation
LK1 and LK2 positions on the rear panel. Output signal connections are made to connectors SK3 and SK4 on the selected rear panel of the AAC-3390. Use rear panel ZAC-3390 for two unbalanced 75 ohms BNC output circuits or rear panel ZAC-3391 for two balanced 100 ohms output circuits. -
Page 9: Selection Of Internal Or External Clock Reference
SW1 and SW2, whenever this reference is present and revert to the internal crystal clock reference if the external reference is removed. NOTE: It is important for the operation of the AAC-3390 that links LK6 and LK15 by both open or closed together never individually. -
Page 10: Front And Rear Layouts
AAC-3390 Front & rear panel connector diagrams Analogue Analogue Input: Input: Left Left Right Right Unbalanced Balanced AES O/P’s AES O/P’s Reference Reference AES I/P AES I/P (Bal/Unbal (Bal/Unbal Link select) Link select) ZAC-3390 ZAC-3391 Unbalanced AES O/P’s Balanced AES O/P’s... -
Page 11: Maintenance & Storage
For situations when “No Fault Found” for repairs, a minimum charge of 1 hour’s labour, at IRT’s current labour charge rate, will apply, whether the equipment is within the warranty period or not.
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